1997962 has 8 divisors (see below), whose sum is σ = 3003300. Its totient is φ = 996864.

The previous prime is 1997939. The next prime is 1997969. The reversal of 1997962 is 2697991.

It can be written as a sum of positive squares in 2 ways, for example, as 1466521 + 531441 = 1211^2 + 729^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1997969) 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, 714 + ... + 2122.

2^1997962 is an apocalyptic number.

1997962 is a deficient number, since it is larger than the sum of its proper divisors (1005338).

1997962 is a wasteful number, since it uses less digits than its factorization.

1997962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120.

The product of its digits is 61236, while the sum is 43.

The square root of 1997962 is about 1413.4928369115. The cubic root of 1997962 is about 125.9492951268.

The spelling of 1997962 in words is "one million, nine hundred ninety-seven thousand, nine hundred sixty-two".