3958260521 has 8 divisors (see below), whose sum is σ = 3990438144. Its totient is φ = 3926205360.

The previous prime is 3958260511. The next prime is 3958260539. The reversal of 3958260521 is 1250628593.

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

It is a cyclic number.

It is not a de Polignac number, because 3958260521 - 2¹⁴ = 3958244137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3958260511) 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, 34856 + ... + 95558.

It is an arithmetic number, because the mean of its divisors is an integer number (498804768).

Almost surely, 2^3958260521 is an apocalyptic number.

It is an amenable number.

3958260521 is a deficient number, since it is larger than the sum of its proper divisors (32177623).

3958260521 is a wasteful number, since it uses less digits than its factorization.

3958260521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61231.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 3958260521 is about 62914.7083041796. The cubic root of 3958260521 is about 1581.8602936069.

The spelling of 3958260521 in words is "three billion, nine hundred fifty-eight million, two hundred sixty thousand, five hundred twenty-one".