4002898 has 4 divisors (see below), whose sum is σ = 6004350. Its totient is φ = 2001448.

The previous prime is 4002893. The next prime is 4002907. The reversal of 4002898 is 8982004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3087049 + 915849 = 1757^2 + 957^2 .

It is not an unprimeable number, because it can be changed into a prime (4002893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000723 + ... + 1000726.

Almost surely, 2^4002898 is an apocalyptic number.

4002898 is a deficient number, since it is larger than the sum of its proper divisors (2001452).

4002898 is a wasteful number, since it uses less digits than its factorization.

4002898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001451.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 4002898 is about 2000.7243688225. The cubic root of 4002898 is about 158.7784316779.

It can be divided in two parts, 4002 and 898, that added together give a square (4900 = 70²).

The spelling of 4002898 in words is "four million, two thousand, eight hundred ninety-eight".