38700407 has 4 divisors (see below), whose sum is σ = 38712936. Its totient is φ = 38687880.

The previous prime is 38700373. The next prime is 38700419. The reversal of 38700407 is 70400783.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38700407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38700407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38700427) 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, 2033 + ... + 9029.

It is an arithmetic number, because the mean of its divisors is an integer number (9678234).

Almost surely, 2^38700407 is an apocalyptic number.

38700407 is a deficient number, since it is larger than the sum of its proper divisors (12529).

38700407 is an equidigital number, since it uses as much as digits as its factorization.

38700407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12528.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 38700407 is about 6220.9651180504. The cubic root of 38700407 is about 338.2505494975.

The spelling of 38700407 in words is "thirty-eight million, seven hundred thousand, four hundred seven".