2549616 has 20 divisors (see below), whose sum is σ = 6586632. Its totient is φ = 849856.

The previous prime is 2549611. The next prime is 2549621. The reversal of 2549616 is 6169452.

It is an interprime number because it is at equal distance from previous prime (2549611) and next prime (2549621).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549611) 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, 26511 + ... + 26606.

2^2549616 is an apocalyptic number.

It is an amenable number.

2549616 is an abundant number, since it is smaller than the sum of its proper divisors (4037016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2549616 is a wasteful number, since it uses less digits than its factorization.

2549616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53128 (or 53122 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 2549616 is about 1596.7517026764. The cubic root of 2549616 is about 136.6128626862.

It can be divided in two parts, 254 and 9616, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 2549616 in words is "two million, five hundred forty-nine thousand, six hundred sixteen".