47428384 has 12 divisors (see below), whose sum is σ = 93374694. Its totient is φ = 23714176.

The previous prime is 47428379. The next prime is 47428391. The reversal of 47428384 is 48382474.

It can be written as a sum of positive squares in only one way, i.e., 26010000 + 21418384 = 5100^2 + 4628^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 741037 + ... + 741100.

Almost surely, 2^47428384 is an apocalyptic number.

It is an amenable number.

47428384 is a deficient number, since it is larger than the sum of its proper divisors (45946310).

47428384 is a wasteful number, since it uses less digits than its factorization.

47428384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482147 (or 1482139 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 47428384 is about 6886.8268455073. The cubic root of 47428384 is about 361.9757215385.

The spelling of 47428384 in words is "forty-seven million, four hundred twenty-eight thousand, three hundred eighty-four".