2664450 has 72 divisors (see below), whose sum is σ = 7428096. Its totient is φ = 684000.

The previous prime is 2664449. The next prime is 2664451. The reversal of 2664450 is 544662.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2664449) and next prime (2664451).

It is not an unprimeable number, because it can be changed into a prime (2664451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13855 + ... + 14045.

It is an arithmetic number, because the mean of its divisors is an integer number (103168).

2^2664450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2664450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3714048).

2664450 is an abundant number, since it is smaller than the sum of its proper divisors (4763646).

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

2664450 is a wasteful number, since it uses less digits than its factorization.

2664450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2664450 is about 1632.3143079689. The cubic root of 2664450 is about 138.6338204480.

The spelling of 2664450 in words is "two million, six hundred sixty-four thousand, four hundred fifty".