2408638 has 16 divisors (see below), whose sum is σ = 3805056. Its totient is φ = 1141920.

The previous prime is 2408603. The next prime is 2408639. The reversal of 2408638 is 8368042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2408639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2920 + ... + 3652.

It is an arithmetic number, because the mean of its divisors is an integer number (237816).

2^2408638 is an apocalyptic number.

2408638 is a deficient number, since it is larger than the sum of its proper divisors (1396418).

2408638 is a wasteful number, since it uses less digits than its factorization.

2408638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2408638 is about 1551.9787369677. The cubic root of 2408638 is about 134.0470244107.

The spelling of 2408638 in words is "two million, four hundred eight thousand, six hundred thirty-eight".