1972994 has 4 divisors (see below), whose sum is σ = 2959494. Its totient is φ = 986496.

The previous prime is 1972987. The next prime is 1973011. The reversal of 1972994 is 4992791.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4992791 = 71 ⋅70321.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 82369 = 1375^2 + 287^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493247 + ... + 493250.

2^1972994 is an apocalyptic number.

1972994 is a deficient number, since it is larger than the sum of its proper divisors (986500).

1972994 is an equidigital number, since it uses as much as digits as its factorization.

1972994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986499.

The product of its digits is 40824, while the sum is 41.

The square root of 1972994 is about 1404.6330481660. The cubic root of 1972994 is about 125.4224427288.

The spelling of 1972994 in words is "one million, nine hundred seventy-two thousand, nine hundred ninety-four".