1997362 has 4 divisors (see below), whose sum is σ = 2996046. Its totient is φ = 998680.

The previous prime is 1997351. The next prime is 1997407. The reversal of 1997362 is 2637991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2637991 = 67 ⋅39373.

It can be written as a sum of positive squares in only one way, i.e., 1874161 + 123201 = 1369^2 + 351^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499339 + ... + 499342.

2^1997362 is an apocalyptic number.

1997362 is a deficient number, since it is larger than the sum of its proper divisors (998684).

1997362 is an equidigital number, since it uses as much as digits as its factorization.

1997362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998683.

The product of its digits is 20412, while the sum is 37.

The square root of 1997362 is about 1413.2805807765. The cubic root of 1997362 is about 125.9366860877.

The spelling of 1997362 in words is "one million, nine hundred ninety-seven thousand, three hundred sixty-two".