2466664 has 8 divisors (see below), whose sum is σ = 4625010. Its totient is φ = 1233328.

The previous prime is 2466661. The next prime is 2466691. The reversal of 2466664 is 4666642.

It can be written as a sum of positive squares in only one way, i.e., 2464900 + 1764 = 1570^2 + 42^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2466661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154159 + ... + 154174.

2^2466664 is an apocalyptic number.

It is an amenable number.

2466664 is a deficient number, since it is larger than the sum of its proper divisors (2158346).

2466664 is a wasteful number, since it uses less digits than its factorization.

2466664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308339 (or 308335 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 2466664 is about 1570.5616829657. The cubic root of 2466664 is about 135.1149272817.

The spelling of 2466664 in words is "two million, four hundred sixty-six thousand, six hundred sixty-four".