39500749 has 2 divisors, whose sum is σ = 39500750. Its totient is φ = 39500748.

The previous prime is 39500737. The next prime is 39500761. The reversal of 39500749 is 94700593.

It is a balanced prime because it is at equal distance from previous prime (39500737) and next prime (39500761).

It can be written as a sum of positive squares in only one way, i.e., 38663524 + 837225 = 6218^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 39500749 - 2⁵ = 39500717 is a prime.

It is a super-2 number, since 2×39500749² = 3120618343122002, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39500249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19750374 + 19750375.

It is an arithmetic number, because the mean of its divisors is an integer number (19750375).

Almost surely, 2^39500749 is an apocalyptic number.

It is an amenable number.

39500749 is a deficient number, since it is larger than the sum of its proper divisors (1).

39500749 is an equidigital number, since it uses as much as digits as its factorization.

39500749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 39500749 is about 6284.9621319464. The cubic root of 39500749 is about 340.5663829667.

The spelling of 39500749 in words is "thirty-nine million, five hundred thousand, seven hundred forty-nine".