4039902 has 32 divisors (see below), whose sum is σ = 9100800. Its totient is φ = 1328184.

The previous prime is 4039901. The next prime is 4039949. The reversal of 4039902 is 2099304.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4039901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3793 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (284400).

Almost surely, 2^4039902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4039902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4550400).

4039902 is an abundant number, since it is smaller than the sum of its proper divisors (5060898).

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

4039902 is a wasteful number, since it uses less digits than its factorization.

4039902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 4039902 is about 2009.9507456652. The cubic root of 4039902 is about 159.2661970190.

The spelling of 4039902 in words is "four million, thirty-nine thousand, nine hundred two".