38504707 has 4 divisors (see below), whose sum is σ = 38517336. Its totient is φ = 38492080.

The previous prime is 38504701. The next prime is 38504723. The reversal of 38504707 is 70740583.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70740583 = 1483 ⋅47701.

It is a cyclic number.

It is not a de Polignac number, because 38504707 - 2⁷ = 38504579 is a prime.

It is a super-2 number, since 2×38504707² = 2965224922311698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38504701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (9629334).

Almost surely, 2^38504707 is an apocalyptic number.

38504707 is a deficient number, since it is larger than the sum of its proper divisors (12629).

38504707 is an equidigital number, since it uses as much as digits as its factorization.

38504707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 38504707 is about 6205.2161122720. The cubic root of 38504707 is about 337.6794312463.

The spelling of 38504707 in words is "thirty-eight million, five hundred four thousand, seven hundred seven".