2390553 has 20 divisors (see below), whose sum is σ = 3897168. Its totient is φ = 1448280.

The previous prime is 2390543. The next prime is 2390579. The reversal of 2390553 is 3550932.

2390553 is a `hidden beast` number, since 23 + 90 + 553 = 666.

It is not a de Polignac number, because 2390553 - 2¹⁰ = 2389529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (2390543) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 451 + ... + 2232.

2^2390553 is an apocalyptic number.

It is an amenable number.

2390553 is a deficient number, since it is larger than the sum of its proper divisors (1506615).

2390553 is a wasteful number, since it uses less digits than its factorization.

2390553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706 (or 2697 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 2390553 is about 1546.1413260113. The cubic root of 2390553 is about 133.7106886536.

The spelling of 2390553 in words is "two million, three hundred ninety thousand, five hundred fifty-three".