38729332 has 24 divisors (see below), whose sum is σ = 74886336. Its totient is φ = 17432448.

The previous prime is 38729303. The next prime is 38729351. The reversal of 38729332 is 23392783.

It is a super-2 number, since 2×38729332² = 2999922314332448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38729291 and 38729300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10818 + ... + 13945.

It is an arithmetic number, because the mean of its divisors is an integer number (3120264).

Almost surely, 2^38729332 is an apocalyptic number.

It is an amenable number.

38729332 is a deficient number, since it is larger than the sum of its proper divisors (36157004).

38729332 is a wasteful number, since it uses less digits than its factorization.

38729332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24807 (or 24805 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 38729332 is about 6223.2894838662. The cubic root of 38729332 is about 338.3347989184.

The spelling of 38729332 in words is "thirty-eight million, seven hundred twenty-nine thousand, three hundred thirty-two".