2664398 has 16 divisors (see below), whose sum is σ = 4392576. Its totient is φ = 1202040.

The previous prime is 2664397. The next prime is 2664401. The reversal of 2664398 is 8934662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664397) 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, 3215 + ... + 3957.

It is an arithmetic number, because the mean of its divisors is an integer number (274536).

2^2664398 is an apocalyptic number.

2664398 is a deficient number, since it is larger than the sum of its proper divisors (1728178).

2664398 is a wasteful number, since it uses less digits than its factorization.

2664398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919.

The product of its digits is 62208, while the sum is 38.

The square root of 2664398 is about 1632.2983795863. The cubic root of 2664398 is about 138.6329185726.

It can be divided in two parts, 266 and 4398, that added together give a palindrome (4664).

The spelling of 2664398 in words is "two million, six hundred sixty-four thousand, three hundred ninety-eight".