46979839 has 4 divisors (see below), whose sum is σ = 46996456. Its totient is φ = 46963224.

The previous prime is 46979833. The next prime is 46979861. The reversal of 46979839 is 93897964.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46979839 - 2³ = 46979831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46979839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46979831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2889 + ... + 10114.

It is an arithmetic number, because the mean of its divisors is an integer number (11749114).

Almost surely, 2^46979839 is an apocalyptic number.

46979839 is a deficient number, since it is larger than the sum of its proper divisors (16617).

46979839 is a wasteful number, since it uses less digits than its factorization.

46979839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16616.

The product of its digits is 2939328, while the sum is 55.

The square root of 46979839 is about 6854.1840506365. The cubic root of 46979839 is about 360.8309995398.

It can be divided in two parts, 469 and 79839, that added together give a palindrome (80308).

The spelling of 46979839 in words is "forty-six million, nine hundred seventy-nine thousand, eight hundred thirty-nine".