38173642 has 16 divisors (see below), whose sum is σ = 61996032. Its totient is φ = 17524080.

The previous prime is 38173627. The next prime is 38173691. The reversal of 38173642 is 24637183.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38173598 and 38173607.

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, 1123 + ... + 8809.

It is an arithmetic number, because the mean of its divisors is an integer number (3874752).

Almost surely, 2^38173642 is an apocalyptic number.

38173642 is a deficient number, since it is larger than the sum of its proper divisors (23822390).

38173642 is a wasteful number, since it uses less digits than its factorization.

38173642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893.

The product of its digits is 24192, while the sum is 34.

The square root of 38173642 is about 6178.4821760688. The cubic root of 38173642 is about 336.7088504909.

The spelling of 38173642 in words is "thirty-eight million, one hundred seventy-three thousand, six hundred forty-two".