10269621 has 12 divisors (see below), whose sum is σ = 15001740. Its totient is φ = 6768960.

The previous prime is 10269619. The next prime is 10269629. The reversal of 10269621 is 12696201.

10269621 is a `hidden beast` number, since 10 + 26 + 9 + 621 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1179396 + 9090225 = 1086^2 + 3015^2 .

It is not a de Polignac number, because 10269621 - 2¹ = 10269619 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 (10269629) 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, 5610 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (1250145).

Almost surely, 2^10269621 is an apocalyptic number.

It is an amenable number.

10269621 is a deficient number, since it is larger than the sum of its proper divisors (4732119).

10269621 is a wasteful number, since it uses less digits than its factorization.

10269621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12916 (or 12913 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10269621 is about 3204.6249390529. The cubic root of 10269621 is about 217.3625925600.

The spelling of 10269621 in words is "ten million, two hundred sixty-nine thousand, six hundred twenty-one".