997762 has 4 divisors (see below), whose sum is σ = 1496646. Its totient is φ = 498880.

The previous prime is 997751. The next prime is 997769. The reversal of 997762 is 267799.

997762 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 758641 + 239121 = 871^2 + 489^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997769) by changing a digit.

997762 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249439 + ... + 249442.

2⁹⁹⁷⁷⁶² is an apocalyptic number.

997762 is a deficient number, since it is larger than the sum of its proper divisors (498884).

997762 is a wasteful number, since it uses less digits than its factorization.

997762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498883.

The product of its digits is 47628, while the sum is 40.

The square root of 997762 is about 998.8803732179. The cubic root of 997762 is about 99.9253442791.

The spelling of 997762 in words is "nine hundred ninety-seven thousand, seven hundred sixty-two".