4012002 has 24 divisors (see below), whose sum is σ = 9150960. Its totient is φ = 1266840.

The previous prime is 4011991. The next prime is 4012013. The reversal of 4012002 is 2002104.

It is an interprime number because it is at equal distance from previous prime (4011991) and next prime (4012013).

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 5524 + ... + 6207.

It is an arithmetic number, because the mean of its divisors is an integer number (381290).

Almost surely, 2^4012002 is an apocalyptic number.

4012002 is an abundant number, since it is smaller than the sum of its proper divisors (5138958).

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

4012002 is a wasteful number, since it uses less digits than its factorization.

4012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11758 (or 11755 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 4012002 is about 2002.9982526203. The cubic root of 4012002 is about 158.8987132298.

Adding to 4012002 its reverse (2002104), we get a palindrome (6014106).

The spelling of 4012002 in words is "four million, twelve thousand, two".