39434949 has 12 divisors (see below), whose sum is σ = 59438496. Its totient is φ = 25146792.

The previous prime is 39434939. The next prime is 39434959. The reversal of 39434949 is 94943493.

It is an interprime number because it is at equal distance from previous prime (39434939) and next prime (39434959).

It is not a de Polignac number, because 39434949 - 2¹⁹ = 38910661 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39434909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95047 + ... + 95460.

It is an arithmetic number, because the mean of its divisors is an integer number (4953208).

Almost surely, 2^39434949 is an apocalyptic number.

It is an amenable number.

39434949 is a deficient number, since it is larger than the sum of its proper divisors (20003547).

39434949 is a wasteful number, since it uses less digits than its factorization.

39434949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190536 (or 190533 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 39434949 is about 6279.7252328426. The cubic root of 39434949 is about 340.3771737057.

The spelling of 39434949 in words is "thirty-nine million, four hundred thirty-four thousand, nine hundred forty-nine".