2599442 has 4 divisors (see below), whose sum is σ = 3899166. Its totient is φ = 1299720.

The previous prime is 2599427. The next prime is 2599451. The reversal of 2599442 is 2449952.

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

It can be written as a sum of positive squares in only one way, i.e., 1324801 + 1274641 = 1151^2 + 1129^2 .

It is a super-2 number, since 2×2599442² = 13514197422728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649859 + ... + 649862.

2^2599442 is an apocalyptic number.

2599442 is a deficient number, since it is larger than the sum of its proper divisors (1299724).

2599442 is a wasteful number, since it uses less digits than its factorization.

2599442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299723.

The product of its digits is 25920, while the sum is 35.

The square root of 2599442 is about 1612.2785119203. The cubic root of 2599442 is about 137.4970489725.

The spelling of 2599442 in words is "two million, five hundred ninety-nine thousand, four hundred forty-two".