542878246 has 8 divisors (see below), whose sum is σ = 849722544. Its totient is φ = 259637400.

The previous prime is 542878243. The next prime is 542878249. The reversal of 542878246 is 642878245.

It is an interprime number because it is at equal distance from previous prime (542878243) and next prime (542878249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×542878246³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 11801701 = 542878246 / (5 + 4 + 2 + 8 + 7 + 8 + 2 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 542878196 and 542878205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542878243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5900805 + ... + 5900896.

It is an arithmetic number, because the mean of its divisors is an integer number (106215318).

Almost surely, 2^542878246 is an apocalyptic number.

542878246 is a deficient number, since it is larger than the sum of its proper divisors (306844298).

542878246 is a wasteful number, since it uses less digits than its factorization.

542878246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11801726.

The product of its digits is 860160, while the sum is 46.

The square root of 542878246 is about 23299.7477668751. The cubic root of 542878246 is about 815.7695297396.

Subtracting 542878246 from its reverse (642878245), we obtain a palindrome (99999999).

The spelling of 542878246 in words is "five hundred forty-two million, eight hundred seventy-eight thousand, two hundred forty-six".