4013788 has 12 divisors (see below), whose sum is σ = 7393960. Its totient is φ = 1901232.

The previous prime is 4013783. The next prime is 4013827. The reversal of 4013788 is 8873104.

It is a happy number.

It is a super-2 number, since 2×4013788² = 32220988217888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) 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 (4013783) 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, 26331 + ... + 26482.

Almost surely, 2^4013788 is an apocalyptic number.

It is an amenable number.

4013788 is a deficient number, since it is larger than the sum of its proper divisors (3380172).

4013788 is a wasteful number, since it uses less digits than its factorization.

4013788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52836 (or 52834 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 4013788 is about 2003.4440346563. Note that the first 3 decimals coincide. The cubic root of 4013788 is about 158.9222884092.

The spelling of 4013788 in words is "four million, thirteen thousand, seven hundred eighty-eight".