2403388 has 12 divisors (see below), whose sum is σ = 4529560. Its totient is φ = 1109232.

The previous prime is 2403383. The next prime is 2403389. The reversal of 2403388 is 8833042.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403383) 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, 23058 + ... + 23161.

2^2403388 is an apocalyptic number.

It is an amenable number.

2403388 is a deficient number, since it is larger than the sum of its proper divisors (2126172).

2403388 is a wasteful number, since it uses less digits than its factorization.

2403388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46236 (or 46234 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2403388 is about 1550.2864251486. The cubic root of 2403388 is about 133.9495614729.

The spelling of 2403388 in words is "two million, four hundred three thousand, three hundred eighty-eight".