1970664 has 32 divisors (see below), whose sum is σ = 4967520. Its totient is φ = 651456.

The previous prime is 1970641. The next prime is 1970677. The reversal of 1970664 is 4660791.

It is a happy number.

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, 3507 + ... + 4029.

It is an arithmetic number, because the mean of its divisors is an integer number (155235).

2^1970664 is an apocalyptic number.

It is an amenable number.

1970664 is an abundant number, since it is smaller than the sum of its proper divisors (2996856).

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

1970664 is a wasteful number, since it uses less digits than its factorization.

1970664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1970664 is about 1403.8034050393. The cubic root of 1970664 is about 125.3730508901.

The spelling of 1970664 in words is "one million, nine hundred seventy thousand, six hundred sixty-four".