47638232 has 16 divisors (see below), whose sum is σ = 90142800. Its totient is φ = 23600160.

The previous prime is 47638189. The next prime is 47638243. The reversal of 47638232 is 23283674.

It is a super-2 number, since 2×47638232² = 4538802296171648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47638192 and 47638201.

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, 26444 + ... + 28187.

It is an arithmetic number, because the mean of its divisors is an integer number (5633925).

Almost surely, 2^47638232 is an apocalyptic number.

It is an amenable number.

47638232 is a deficient number, since it is larger than the sum of its proper divisors (42504568).

47638232 is a wasteful number, since it uses less digits than its factorization.

47638232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54746 (or 54742 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 47638232 is about 6902.0454939098. The cubic root of 47638232 is about 362.5087928109.

The spelling of 47638232 in words is "forty-seven million, six hundred thirty-eight thousand, two hundred thirty-two".