2563408 has 20 divisors (see below), whose sum is σ = 5008608. Its totient is φ = 1270880.

The previous prime is 2563387. The next prime is 2563409. The reversal of 2563408 is 8043652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563409) 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, 1485 + ... + 2707.

2^2563408 is an apocalyptic number.

It is an amenable number.

2563408 is a deficient number, since it is larger than the sum of its proper divisors (2445200).

2563408 is a wasteful number, since it uses less digits than its factorization.

2563408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2563408 is about 1601.0646457904. The cubic root of 2563408 is about 136.8587529627.

The spelling of 2563408 in words is "two million, five hundred sixty-three thousand, four hundred eight".