2665430 has 16 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 1003392.

The previous prime is 2665427. The next prime is 2665433. The reversal of 2665430 is 345662.

It is an interprime number because it is at equal distance from previous prime (2665427) and next prime (2665433).

It is a self number, because there is not a number n which added to its sum of digits gives 2665430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665433) 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, 7670 + ... + 8009.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

2^2665430 is an apocalyptic number.

2665430 is a deficient number, since it is larger than the sum of its proper divisors (2414890).

2665430 is a wasteful number, since it uses less digits than its factorization.

2665430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15703.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2665430 is about 1632.6144676561. The cubic root of 2665430 is about 138.6508151362.

It can be divided in two parts, 26 and 65430, that added together give a palindrome (65456).

The spelling of 2665430 in words is "two million, six hundred sixty-five thousand, four hundred thirty".