39450961 has 9 divisors (see below), whose sum is σ = 43439529. Its totient is φ = 35801700.

The previous prime is 39450959. The next prime is 39450989. The reversal of 39450961 is 16905493.

The square root of 39450961 is 6281.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 39450961 - 2¹ = 39450959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39450961.

It is not an unprimeable number, because it can be changed into a prime (39450161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68806 + ... + 69376.

Almost surely, 2^39450961 is an apocalyptic number.

39450961 is the 6281-st square number.

39450961 is the 3141-st centered octagonal number.

It is an amenable number.

39450961 is a deficient number, since it is larger than the sum of its proper divisors (3988568).

39450961 is an frugal number, since it uses more digits than its factorization.

39450961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The cubic root of 39450961 is about 340.4232359082.

The spelling of 39450961 in words is "thirty-nine million, four hundred fifty thousand, nine hundred sixty-one".