949972621 has 16 divisors (see below), whose sum is σ = 1079769600. Its totient is φ = 828525888.

The previous prime is 949972591. The next prime is 949972627. The reversal of 949972621 is 126279949.

It is a cyclic number.

It is not a de Polignac number, because 949972621 - 2⁹ = 949972109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949972627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91140 + ... + 101026.

It is an arithmetic number, because the mean of its divisors is an integer number (67485600).

Almost surely, 2^949972621 is an apocalyptic number.

It is an amenable number.

949972621 is a deficient number, since it is larger than the sum of its proper divisors (129796979).

949972621 is a wasteful number, since it uses less digits than its factorization.

949972621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10308.

The product of its digits is 489888, while the sum is 49.

The square root of 949972621 is about 30821.6258656159. The cubic root of 949972621 is about 983.0381285905.

The spelling of 949972621 in words is "nine hundred forty-nine million, nine hundred seventy-two thousand, six hundred twenty-one".