3952465921 has 8 divisors (see below), whose sum is σ = 3980343744. Its totient is φ = 3924610800.

The previous prime is 3952465919. The next prime is 3952465939. The reversal of 3952465921 is 1295642593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3952465921 - 2¹ = 3952465919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3952465901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497835 + ... + 505711.

It is an arithmetic number, because the mean of its divisors is an integer number (497542968).

Almost surely, 2^3952465921 is an apocalyptic number.

It is an amenable number.

3952465921 is a deficient number, since it is larger than the sum of its proper divisors (27877823).

3952465921 is a wasteful number, since it uses less digits than its factorization.

3952465921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11351.

The product of its digits is 583200, while the sum is 46.

The square root of 3952465921 is about 62868.6402032046. The cubic root of 3952465921 is about 1581.0880078892.

The spelling of 3952465921 in words is "three billion, nine hundred fifty-two million, four hundred sixty-five thousand, nine hundred twenty-one".