1970656 has 12 divisors (see below), whose sum is σ = 3879792. Its totient is φ = 985312.

The previous prime is 1970641. The next prime is 1970677. The reversal of 1970656 is 6560791.

1970656 = 143² + 144² + ... + 206².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30760 + ... + 30823.

It is an arithmetic number, because the mean of its divisors is an integer number (323316).

2^1970656 is an apocalyptic number.

1970656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1970656 is a deficient number, since it is larger than the sum of its proper divisors (1909136).

1970656 is an equidigital number, since it uses as much as digits as its factorization.

1970656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61593 (or 61585 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 1970656 is about 1403.8005556346. The cubic root of 1970656 is about 125.3728812373.

The spelling of 1970656 in words is "one million, nine hundred seventy thousand, six hundred fifty-six".