4000498 has 4 divisors (see below), whose sum is σ = 6000750. Its totient is φ = 2000248.

The previous prime is 4000489. The next prime is 4000511. The reversal of 4000498 is 8940004.

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., 3448449 + 552049 = 1857^2 + 743^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000123 + ... + 1000126.

Almost surely, 2^4000498 is an apocalyptic number.

4000498 is a deficient number, since it is larger than the sum of its proper divisors (2000252).

4000498 is a wasteful number, since it uses less digits than its factorization.

4000498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000251.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 4000498 is about 2000.1244961252. The cubic root of 4000498 is about 158.7466926378.

The spelling of 4000498 in words is "four million, four hundred ninety-eight", and thus it is an aban number.