1902664 has 16 divisors (see below), whose sum is σ = 3651120. Its totient is φ = 929040.

The previous prime is 1902653. The next prime is 1902671. The reversal of 1902664 is 4662091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2422 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (228195).

2^1902664 is an apocalyptic number.

It is an amenable number.

1902664 is a deficient number, since it is larger than the sum of its proper divisors (1748456).

1902664 is a wasteful number, since it uses less digits than its factorization.

1902664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580 (or 5576 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1902664 is about 1379.3708710858. The cubic root of 1902664 is about 123.9140924218.

The spelling of 1902664 in words is "one million, nine hundred two thousand, six hundred sixty-four".