1970648 has 16 divisors (see below), whose sum is σ = 3711480. Its totient is φ = 980928.

The previous prime is 1970641. The next prime is 1970677. The reversal of 1970648 is 8460791.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2111 + ... + 2897.

2^1970648 is an apocalyptic number.

It is an amenable number.

1970648 is a deficient number, since it is larger than the sum of its proper divisors (1740832).

1970648 is a wasteful number, since it uses less digits than its factorization.

1970648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1970648 is about 1403.7977062241. The cubic root of 1970648 is about 125.3727115841.

The spelling of 1970648 in words is "one million, nine hundred seventy thousand, six hundred forty-eight".