39734489 has 2 divisors, whose sum is σ = 39734490. Its totient is φ = 39734488.

The previous prime is 39734483. The next prime is 39734503. The reversal of 39734489 is 98443793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30614089 + 9120400 = 5533^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 39734489 - 2⁴ = 39734473 is a prime.

It is a super-2 number, since 2×39734489² = 3157659232182242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39734483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19867244 + 19867245.

It is an arithmetic number, because the mean of its divisors is an integer number (19867245).

Almost surely, 2^39734489 is an apocalyptic number.

It is an amenable number.

39734489 is a deficient number, since it is larger than the sum of its proper divisors (1).

39734489 is an equidigital number, since it uses as much as digits as its factorization.

39734489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 39734489 is about 6303.5298841205. The cubic root of 39734489 is about 341.2368131692.

The spelling of 39734489 in words is "thirty-nine million, seven hundred thirty-four thousand, four hundred eighty-nine".