38345172 has 48 divisors (see below), whose sum is σ = 93334080. Its totient is φ = 12241152.

The previous prime is 38345161. The next prime is 38345189. The reversal of 38345172 is 27154383.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29104 + ... + 30392.

It is an arithmetic number, because the mean of its divisors is an integer number (1944460).

Almost surely, 2^38345172 is an apocalyptic number.

It is an amenable number.

38345172 is an abundant number, since it is smaller than the sum of its proper divisors (54988908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38345172 is a wasteful number, since it uses less digits than its factorization.

38345172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400 (or 1398 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 38345172 is about 6192.3478584459. The cubic root of 38345172 is about 337.2124211458.

The spelling of 38345172 in words is "thirty-eight million, three hundred forty-five thousand, one hundred seventy-two".