2371664 has 10 divisors (see below), whose sum is σ = 4595130. Its totient is φ = 1185824.

The previous prime is 2371661. The next prime is 2371669. The reversal of 2371664 is 4661732.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 64 = 1540^2 + 8^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2371661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74099 + ... + 74130.

It is an arithmetic number, because the mean of its divisors is an integer number (459513).

2^2371664 is an apocalyptic number.

It is an amenable number.

2371664 is a deficient number, since it is larger than the sum of its proper divisors (2223466).

2371664 is a wasteful number, since it uses less digits than its factorization.

2371664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148237 (or 148231 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 2371664 is about 1540.0207790806. The cubic root of 2371664 is about 133.3575844777.

It can be divided in two parts, 23716 and 64, that multiplied together give a square (1517824 = 1232²).

The spelling of 2371664 in words is "two million, three hundred seventy-one thousand, six hundred sixty-four".