38506730 has 16 divisors (see below), whose sum is σ = 72960480. Its totient is φ = 14591952.

The previous prime is 38506729. The next prime is 38506759. The reversal of 38506730 is 3760583.

It is a happy 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, 101144 + ... + 101523.

It is an arithmetic number, because the mean of its divisors is an integer number (4560030).

Almost surely, 2^38506730 is an apocalyptic number.

38506730 is a deficient number, since it is larger than the sum of its proper divisors (34453750).

38506730 is a wasteful number, since it uses less digits than its factorization.

38506730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202693.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 38506730 is about 6205.3791181523. The cubic root of 38506730 is about 337.6853449261.

The spelling of 38506730 in words is "thirty-eight million, five hundred six thousand, seven hundred thirty".