4002860 has 24 divisors (see below), whose sum is σ = 8449056. Its totient is φ = 1592960.

The previous prime is 4002857. The next prime is 4002877. The reversal of 4002860 is 682004.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4880 + ... + 5640.

It is an arithmetic number, because the mean of its divisors is an integer number (352044).

Almost surely, 2^4002860 is an apocalyptic number.

It is an amenable number.

4002860 is an abundant number, since it is smaller than the sum of its proper divisors (4446196).

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

4002860 is a wasteful number, since it uses less digits than its factorization.

4002860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4002860 is about 2000.7148722394. The cubic root of 4002860 is about 158.7779292419. Note that the first 3 decimals are identical.

Adding to 4002860 its reverse (682004), we get a palindrome (4684864).

The spelling of 4002860 in words is "four million, two thousand, eight hundred sixty".