1920964 has 12 divisors (see below), whose sum is σ = 3404800. Its totient is φ = 948168.

The previous prime is 1920959. The next prime is 1920991. The reversal of 1920964 is 4690291.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2724 + ... + 3355.

2^1920964 is an apocalyptic number.

It is an amenable number.

1920964 is a deficient number, since it is larger than the sum of its proper divisors (1483836).

1920964 is a wasteful number, since it uses less digits than its factorization.

1920964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6162 (or 6160 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1920964 is about 1385.9884559404. The cubic root of 1920964 is about 124.3100979532.

The spelling of 1920964 in words is "one million, nine hundred twenty thousand, nine hundred sixty-four".