4008402 has 24 divisors (see below), whose sum is σ = 8792784. Its totient is φ = 1319544.

The previous prime is 4008397. The next prime is 4008421. The reversal of 4008402 is 2048004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153 + ... + 2835.

It is an arithmetic number, because the mean of its divisors is an integer number (366366).

Almost surely, 2^4008402 is an apocalyptic number.

4008402 is an abundant number, since it is smaller than the sum of its proper divisors (4784382).

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

4008402 is a wasteful number, since it uses less digits than its factorization.

4008402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774 (or 2771 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4008402 is about 2002.0993981319. The cubic root of 4008402 is about 158.8511719981.

The spelling of 4008402 in words is "four million, eight thousand, four hundred two".