2552986 has 8 divisors (see below), whose sum is σ = 3961620. Its totient is φ = 1232448.

The previous prime is 2552983. The next prime is 2552987. The reversal of 2552986 is 6892552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2480625 + 72361 = 1575^2 + 269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2552983) 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, 21951 + ... + 22066.

2^2552986 is an apocalyptic number.

2552986 is a deficient number, since it is larger than the sum of its proper divisors (1408634).

2552986 is a wasteful number, since it uses less digits than its factorization.

2552986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44048.

The product of its digits is 43200, while the sum is 37.

The square root of 2552986 is about 1597.8066215910. The cubic root of 2552986 is about 136.6730263416.

The spelling of 2552986 in words is "two million, five hundred fifty-two thousand, nine hundred eighty-six".