46478428 has 12 divisors (see below), whose sum is σ = 81387432. Its totient is φ = 23224880.

The previous prime is 46478417. The next prime is 46478429. The reversal of 46478428 is 82487464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46478429) 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, 7563 + ... + 12253.

It is an arithmetic number, because the mean of its divisors is an integer number (6782286).

Almost surely, 2^46478428 is an apocalyptic number.

It is an amenable number.

46478428 is a deficient number, since it is larger than the sum of its proper divisors (34909004).

46478428 is a wasteful number, since it uses less digits than its factorization.

46478428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172 (or 7170 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 46478428 is about 6817.5089292204. The cubic root of 46478428 is about 359.5427012441.

The spelling of 46478428 in words is "forty-six million, four hundred seventy-eight thousand, four hundred twenty-eight".