38300247 has 6 divisors (see below), whose sum is σ = 55322592. Its totient is φ = 25533492.

The previous prime is 38300243. The next prime is 38300261. The reversal of 38300247 is 74200383.

It is not a de Polignac number, because 38300247 - 2² = 38300243 is a prime.

It is a super-2 number, since 2×38300247² = 2933817840522018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38300247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38300243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2127783 + ... + 2127800.

It is an arithmetic number, because the mean of its divisors is an integer number (9220432).

Almost surely, 2^38300247 is an apocalyptic number.

38300247 is a deficient number, since it is larger than the sum of its proper divisors (17022345).

38300247 is a wasteful number, since it uses less digits than its factorization.

38300247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255589 (or 4255586 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 38300247 is about 6188.7193344019. The cubic root of 38300247 is about 337.0806775881.

The spelling of 38300247 in words is "thirty-eight million, three hundred thousand, two hundred forty-seven".