46991904 has 48 divisors (see below), whose sum is σ = 126372960. Its totient is φ = 15280640.

The previous prime is 46991849. The next prime is 46991929. The reversal of 46991904 is 40919964.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034 + ... + 9905.

It is an arithmetic number, because the mean of its divisors is an integer number (2632770).

Almost surely, 2^46991904 is an apocalyptic number.

It is an amenable number.

46991904 is an abundant number, since it is smaller than the sum of its proper divisors (79381056).

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

46991904 is a wasteful number, since it uses less digits than its factorization.

46991904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11993 (or 11985 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 46991904 is about 6855.0641134857. The cubic root of 46991904 is about 360.8618855077.

It can be divided in two parts, 46991 and 904, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 46991904 in words is "forty-six million, nine hundred ninety-one thousand, nine hundred four".