5902409 has 4 divisors (see below), whose sum is σ = 5914260. Its totient is φ = 5890560.

The previous prime is 5902397. The next prime is 5902411. The reversal of 5902409 is 9042095.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1882384 + 4020025 = 1372^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 5902409 - 2¹² = 5898313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5902489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5144 + ... + 6185.

It is an arithmetic number, because the mean of its divisors is an integer number (1478565).

Almost surely, 2^5902409 is an apocalyptic number.

It is an amenable number.

5902409 is a deficient number, since it is larger than the sum of its proper divisors (11851).

5902409 is a wasteful number, since it uses less digits than its factorization.

5902409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 5902409 is about 2429.4873944929. The cubic root of 5902409 is about 180.7214767383.

The spelling of 5902409 in words is "five million, nine hundred two thousand, four hundred nine".