38937623 has 2 divisors, whose sum is σ = 38937624. Its totient is φ = 38937622.

The previous prime is 38937617. The next prime is 38937671. The reversal of 38937623 is 32673983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38937623 - 2⁶ = 38937559 is a prime.

It is a super-2 number, since 2×38937623² = 3032276969780258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38937673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19468811 + 19468812.

It is an arithmetic number, because the mean of its divisors is an integer number (19468812).

Almost surely, 2^38937623 is an apocalyptic number.

38937623 is a deficient number, since it is larger than the sum of its proper divisors (1).

38937623 is an equidigital number, since it uses as much as digits as its factorization.

38937623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 38937623 is about 6240.0018429484. The cubic root of 38937623 is about 338.9402498802.

The spelling of 38937623 in words is "thirty-eight million, nine hundred thirty-seven thousand, six hundred twenty-three".