46878428 has 12 divisors (see below), whose sum is σ = 83945400. Its totient is φ = 22894032.

The previous prime is 46878427. The next prime is 46878431. The reversal of 46878428 is 82487864.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46878427) 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, 136103 + ... + 136446.

It is an arithmetic number, because the mean of its divisors is an integer number (6995450).

Almost surely, 2^46878428 is an apocalyptic number.

It is an amenable number.

46878428 is a deficient number, since it is larger than the sum of its proper divisors (37066972).

46878428 is a wasteful number, since it uses less digits than its factorization.

46878428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272596 (or 272594 counting only the distinct ones).

The product of its digits is 688128, while the sum is 47.

The square root of 46878428 is about 6846.7823099614. The cubic root of 46878428 is about 360.5711817520.

The spelling of 46878428 in words is "forty-six million, eight hundred seventy-eight thousand, four hundred twenty-eight".