38472645 has 8 divisors (see below), whose sum is σ = 61556256. Its totient is φ = 20518736.

The previous prime is 38472613. The next prime is 38472667. The reversal of 38472645 is 54627483.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38472645 - 2⁵ = 38472613 is a prime.

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, 1282407 + ... + 1282436.

It is an arithmetic number, because the mean of its divisors is an integer number (7694532).

Almost surely, 2^38472645 is an apocalyptic number.

It is an amenable number.

38472645 is a deficient number, since it is larger than the sum of its proper divisors (23083611).

38472645 is a wasteful number, since it uses less digits than its factorization.

38472645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564851.

The product of its digits is 161280, while the sum is 39.

The square root of 38472645 is about 6202.6321025835. The cubic root of 38472645 is about 337.5856792075.

The spelling of 38472645 in words is "thirty-eight million, four hundred seventy-two thousand, six hundred forty-five".