46404891 has 12 divisors (see below), whose sum is σ = 72185568. Its totient is φ = 28556784.

The previous prime is 46404881. The next prime is 46404893. The reversal of 46404891 is 19840464.

It is a happy number.

46404891 is a `hidden beast` number, since 4 + 640 + 4 + 8 + 9 + 1 = 666.

It is not a de Polignac number, because 46404891 - 2⁷ = 46404763 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (46404893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198195 + ... + 198428.

It is an arithmetic number, because the mean of its divisors is an integer number (6015464).

Almost surely, 2^46404891 is an apocalyptic number.

46404891 is a deficient number, since it is larger than the sum of its proper divisors (25780677).

46404891 is a wasteful number, since it uses less digits than its factorization.

46404891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396642 (or 396639 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 46404891 is about 6812.1135486720. The cubic root of 46404891 is about 359.3529813454.

The spelling of 46404891 in words is "forty-six million, four hundred four thousand, eight hundred ninety-one".