38613983 has 2 divisors, whose sum is σ = 38613984. Its totient is φ = 38613982.

The previous prime is 38613973. The next prime is 38614019. The reversal of 38613983 is 38931683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38613983 - 2⁸ = 38613727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38613983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38613943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19306991 + 19306992.

It is an arithmetic number, because the mean of its divisors is an integer number (19306992).

Almost surely, 2^38613983 is an apocalyptic number.

38613983 is a deficient number, since it is larger than the sum of its proper divisors (1).

38613983 is an equidigital number, since it uses as much as digits as its factorization.

38613983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 38613983 is about 6214.0150466506. The cubic root of 38613983 is about 337.9985732232.

The spelling of 38613983 in words is "thirty-eight million, six hundred thirteen thousand, nine hundred eighty-three".