4000088 has 16 divisors (see below), whose sum is σ = 7571880. Its totient is φ = 1980928.

The previous prime is 4000081. The next prime is 4000093. The reversal of 4000088 is 8800004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000081) 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, 1481 + ... + 3192.

Almost surely, 2^4000088 is an apocalyptic number.

It is an amenable number.

4000088 is a deficient number, since it is larger than the sum of its proper divisors (3571792).

4000088 is a wasteful number, since it uses less digits than its factorization.

4000088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786 (or 4782 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4000088 is about 2000.0219998790. The cubic root of 4000088 is about 158.7412692824.

The spelling of 4000088 in words is "four million, eighty-eight", and thus it is an aban number.