1520964 has 24 divisors (see below), whose sum is σ = 3943520. Its totient is φ = 506952.

The previous prime is 1520947. The next prime is 1520971. The reversal of 1520964 is 4690251.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6934 + ... + 7149.

2^1520964 is an apocalyptic number.

It is an amenable number.

1520964 is an abundant number, since it is smaller than the sum of its proper divisors (2422556).

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

1520964 is a wasteful number, since it uses less digits than its factorization.

1520964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14096 (or 14088 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1520964 is about 1233.2736922516. The cubic root of 1520964 is about 115.0022431825.

It can be divided in two parts, 152096 and 4, that added together give a square (152100 = 390²).

The spelling of 1520964 in words is "one million, five hundred twenty thousand, nine hundred sixty-four".