38650491 has 24 divisors (see below), whose sum is σ = 61823424. Its totient is φ = 23070960.

The previous prime is 38650477. The next prime is 38650499. The reversal of 38650491 is 19405683.

It is not a de Polignac number, because 38650491 - 2¹³ = 38642299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38650499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3720 + ... + 9546.

It is an arithmetic number, because the mean of its divisors is an integer number (2575976).

Almost surely, 2^38650491 is an apocalyptic number.

38650491 is a deficient number, since it is larger than the sum of its proper divisors (23172933).

38650491 is a wasteful number, since it uses less digits than its factorization.

38650491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911 (or 5908 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 38650491 is about 6216.9519058780. The cubic root of 38650491 is about 338.1050611162.

The spelling of 38650491 in words is "thirty-eight million, six hundred fifty thousand, four hundred ninety-one".