38900007 has 20 divisors (see below), whose sum is σ = 58720816. Its totient is φ = 25660800.

The previous prime is 38900003. The next prime is 38900027. The reversal of 38900007 is 70000983.

It is a happy number.

It is not a de Polignac number, because 38900007 - 2² = 38900003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38900003) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 5382 + ... + 10332.

Almost surely, 2^38900007 is an apocalyptic number.

38900007 is a deficient number, since it is larger than the sum of its proper divisors (19820809).

38900007 is an equidigital number, since it uses as much as digits as its factorization.

38900007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060 (or 5051 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 38900007 is about 6236.9870129735. The cubic root of 38900007 is about 338.8310694075.

The spelling of 38900007 in words is "thirty-eight million, nine hundred thousand, seven".