6662398 has 16 divisors (see below), whose sum is σ = 10264320. Its totient is φ = 3242200.

The previous prime is 6662393. The next prime is 6662399. The reversal of 6662398 is 8932666.

It is a super-2 number, since 2×6662398² = 88775094220808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6662398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662393) 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, 15243 + ... + 15673.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^6662398 is an apocalyptic number.

6662398 is a deficient number, since it is larger than the sum of its proper divisors (3601922).

6662398 is a wasteful number, since it uses less digits than its factorization.

6662398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

The product of its digits is 93312, while the sum is 40.

The square root of 6662398 is about 2581.1621413619. The cubic root of 6662398 is about 188.1670275083.

The spelling of 6662398 in words is "six million, six hundred sixty-two thousand, three hundred ninety-eight".