1970663 has 8 divisors (see below), whose sum is σ = 2101248. Its totient is φ = 1843864.

The previous prime is 1970641. The next prime is 1970677. The reversal of 1970663 is 3660791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1970663 - 2⁶ = 1970599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170 + ... + 1992.

It is an arithmetic number, because the mean of its divisors is an integer number (262656).

2^1970663 is an apocalyptic number.

1970663 is a deficient number, since it is larger than the sum of its proper divisors (130585).

1970663 is a wasteful number, since it uses less digits than its factorization.

1970663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 1970663 is about 1403.8030488640. The cubic root of 1970663 is about 125.3730296835.

The spelling of 1970663 in words is "one million, nine hundred seventy thousand, six hundred sixty-three".