46879920 has 60 divisors (see below), whose sum is σ = 157440816. Its totient is φ = 12501120.

The previous prime is 46879909. The next prime is 46879927. The reversal of 46879920 is 2997864.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (46879927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31836 + ... + 33275.

Almost surely, 2^46879920 is an apocalyptic number.

46879920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46879920 is an abundant number, since it is smaller than the sum of its proper divisors (110560896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46879920 is a wasteful number, since it uses less digits than its factorization.

46879920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65130 (or 65121 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 46879920 is about 6846.8912653846. The cubic root of 46879920 is about 360.5750070118.

The spelling of 46879920 in words is "forty-six million, eight hundred seventy-nine thousand, nine hundred twenty".