2640612 has 24 divisors (see below), whose sum is σ = 6635776. Its totient is φ = 812448.

The previous prime is 2640581. The next prime is 2640643. The reversal of 2640612 is 2160462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2640581) and next prime (2640643).

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8308 + ... + 8619.

2^2640612 is an apocalyptic number.

It is an amenable number.

2640612 is an abundant number, since it is smaller than the sum of its proper divisors (3995164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2640612 is a wasteful number, since it uses less digits than its factorization.

2640612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16947 (or 16945 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2640612 is about 1624.9959999951. The cubic root of 2640612 is about 138.2191435201.

The spelling of 2640612 in words is "two million, six hundred forty thousand, six hundred twelve".