46991928 has 16 divisors (see below), whose sum is σ = 117479880. Its totient is φ = 15663968.

The previous prime is 46991849. The next prime is 46991929. The reversal of 46991928 is 82919964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46991929) 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 3 ways as a sum of consecutive naturals, for example, 978975 + ... + 979022.

Almost surely, 2^46991928 is an apocalyptic number.

It is an amenable number.

46991928 is an abundant number, since it is smaller than the sum of its proper divisors (70487952).

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

46991928 is a wasteful number, since it uses less digits than its factorization.

46991928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958006 (or 1958002 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 46991928 is about 6855.0658640162. The cubic root of 46991928 is about 360.8619469416.

Subtracting 46991928 from its reverse (82919964), we obtain a square (35928036 = 5994²).

The spelling of 46991928 in words is "forty-six million, nine hundred ninety-one thousand, nine hundred twenty-eight".