46391808 has 40 divisors (see below), whose sum is σ = 123594768. Its totient is φ = 15463424.

The previous prime is 46391803. The next prime is 46391809. The reversal of 46391808 is 80819364.

It is a super-3 number, since 3×46391808³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (46391803) 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, 13566 + ... + 16637.

Almost surely, 2^46391808 is an apocalyptic number.

46391808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

46391808 is an abundant number, since it is smaller than the sum of its proper divisors (77202960).

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

46391808 is an equidigital number, since it uses as much as digits as its factorization.

46391808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30224 (or 30208 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 46391808 is about 6811.1532063227. The cubic root of 46391808 is about 359.3192071975.

The spelling of 46391808 in words is "forty-six million, three hundred ninety-one thousand, eight hundred eight".