7918546 has 8 divisors (see below), whose sum is σ = 11890044. Its totient is φ = 3955200.

The previous prime is 7918543. The next prime is 7918613. The reversal of 7918546 is 6458197.

It can be written as a sum of positive squares in 2 ways, for example, as 6125625 + 1792921 = 2475^2 + 1339^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7918499 and 7918508.

It is not an unprimeable number, because it can be changed into a prime (7918541) 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, 1966 + ... + 4438.

Almost surely, 2^7918546 is an apocalyptic number.

7918546 is a deficient number, since it is larger than the sum of its proper divisors (3971498).

7918546 is a wasteful number, since it uses less digits than its factorization.

7918546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076.

The product of its digits is 60480, while the sum is 40.

The square root of 7918546 is about 2813.9911158353. The cubic root of 7918546 is about 199.3188998123.

It can be divided in two parts, 7918 and 546, that added together give a square (8464 = 92²).

The spelling of 7918546 in words is "seven million, nine hundred eighteen thousand, five hundred forty-six".