2049616 has 20 divisors (see below), whose sum is σ = 4047732. Its totient is φ = 1005056.

The previous prime is 2049613. The next prime is 2049617. The reversal of 2049616 is 6169402.

It can be written as a sum of positive squares in 2 ways, for example, as 1795600 + 254016 = 1340^2 + 504^2 .

It is a super-3 number, since 3×2049616³ = 25830853880393330688, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049611) 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, 361 + ... + 2056.

2^2049616 is an apocalyptic number.

It is an amenable number.

2049616 is a deficient number, since it is larger than the sum of its proper divisors (1998116).

2049616 is a wasteful number, since it uses less digits than its factorization.

2049616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2049616 is about 1431.6480014305. The cubic root of 2049616 is about 127.0254769398.

The spelling of 2049616 in words is "two million, forty-nine thousand, six hundred sixteen".