4000902 has 16 divisors (see below), whose sum is σ = 8028720. Its totient is φ = 1329152.

The previous prime is 4000901. The next prime is 4000907. The reversal of 4000902 is 2090004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000901) 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, 1174 + ... + 3062.

It is an arithmetic number, because the mean of its divisors is an integer number (501795).

Almost surely, 2^4000902 is an apocalyptic number.

4000902 is an abundant number, since it is smaller than the sum of its proper divisors (4027818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4000902 is a wasteful number, since it uses less digits than its factorization.

4000902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 4000902 is about 2000.2254872889. The cubic root of 4000902 is about 158.7520362646.

Adding to 4000902 its reverse (2090004), we get a palindrome (6090906).

The spelling of 4000902 in words is "four million, nine hundred two", and thus it is an aban number.