10639432 has 32 divisors (see below), whose sum is σ = 21228480. Its totient is φ = 4987840.

The previous prime is 10639429. The next prime is 10639439. The reversal of 10639432 is 23493601.

It is a super-2 number, since 2×10639432² = 226395026565248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10639432.

It is not an unprimeable number, because it can be changed into a prime (10639439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9207 + ... + 10297.

It is an arithmetic number, because the mean of its divisors is an integer number (663390).

Almost surely, 2^10639432 is an apocalyptic number.

It is an amenable number.

10639432 is a deficient number, since it is larger than the sum of its proper divisors (10589048).

10639432 is a wasteful number, since it uses less digits than its factorization.

10639432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 10639432 is about 3261.8142191118. The cubic root of 10639432 is about 219.9409759013.

The spelling of 10639432 in words is "ten million, six hundred thirty-nine thousand, four hundred thirty-two".