992640262 has 4 divisors (see below), whose sum is σ = 1488960396. Its totient is φ = 496320130.

The previous prime is 992640247. The next prime is 992640263. The reversal of 992640262 is 262046299.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992640263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248160064 + ... + 248160067.

It is an arithmetic number, because the mean of its divisors is an integer number (372240099).

Almost surely, 2^992640262 is an apocalyptic number.

992640262 is a deficient number, since it is larger than the sum of its proper divisors (496320134).

992640262 is a wasteful number, since it uses less digits than its factorization.

992640262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496320133.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 992640262 is about 31506.1940259372. The cubic root of 992640262 is about 997.5407108549.

The spelling of 992640262 in words is "nine hundred ninety-two million, six hundred forty thousand, two hundred sixty-two".