46991944 has 64 divisors (see below), whose sum is σ = 99066240. Its totient is φ = 20782080.

The previous prime is 46991929. The next prime is 46991953. The reversal of 46991944 is 44919964.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 46991894 and 46991903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259534 + ... + 259714.

It is an arithmetic number, because the mean of its divisors is an integer number (1547910).

Almost surely, 2^46991944 is an apocalyptic number.

It is an amenable number.

46991944 is an abundant number, since it is smaller than the sum of its proper divisors (52074296).

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

46991944 is a wasteful number, since it uses less digits than its factorization.

With its successor (46991945) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (306).

46991944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 306 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 46991944 is about 6855.0670310362. The cubic root of 46991944 is about 360.8619878975.

The spelling of 46991944 in words is "forty-six million, nine hundred ninety-one thousand, nine hundred forty-four".