47428408 has 16 divisors (see below), whose sum is σ = 93609000. Its totient is φ = 22466016.

The previous prime is 47428397. The next prime is 47428411. The reversal of 47428408 is 80482474.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155863 + ... + 156166.

Almost surely, 2^47428408 is an apocalyptic number.

It is an amenable number.

47428408 is a deficient number, since it is larger than the sum of its proper divisors (46180592).

47428408 is a wasteful number, since it uses less digits than its factorization.

47428408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312054 (or 312050 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 47428408 is about 6886.8285879641. The cubic root of 47428408 is about 361.9757825949.

It can be divided in two parts, 474 and 28408, that added together give a palindrome (28882).

The spelling of 47428408 in words is "forty-seven million, four hundred twenty-eight thousand, four hundred eight".