4002402 has 16 divisors (see below), whose sum is σ = 8027712. Its totient is φ = 1330320.

The previous prime is 4002389. The next prime is 4002403. The reversal of 4002402 is 2042004.

It is not an unprimeable number, because it can be changed into a prime (4002403) 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, 2043 + ... + 3489.

It is an arithmetic number, because the mean of its divisors is an integer number (501732).

Almost surely, 2^4002402 is an apocalyptic number.

4002402 is an abundant number, since it is smaller than the sum of its proper divisors (4025310).

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

4002402 is a wasteful number, since it uses less digits than its factorization.

4002402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 4002402 is about 2000.6004098770. The cubic root of 4002402 is about 158.7718733165.

Adding to 4002402 its reverse (2042004), we get a palindrome (6044406).

The spelling of 4002402 in words is "four million, two thousand, four hundred two".