2351664 has 60 divisors (see below), whose sum is σ = 7524816. Its totient is φ = 671616.

The previous prime is 2351653. The next prime is 2351693. The reversal of 2351664 is 4661532.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159 + ... + 2174.

2^2351664 is an apocalyptic number.

2351664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2351664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3762408).

2351664 is an abundant number, since it is smaller than the sum of its proper divisors (5173152).

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

2351664 is a wasteful number, since it uses less digits than its factorization.

2351664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354 (or 2345 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2351664 is about 1533.5136125904. The cubic root of 2351664 is about 132.9816621598.

The spelling of 2351664 in words is "two million, three hundred fifty-one thousand, six hundred sixty-four".