689892362 has 4 divisors (see below), whose sum is σ = 1034838546. Its totient is φ = 344946180.

The previous prime is 689892353. The next prime is 689892391. The reversal of 689892362 is 263298986.

It is a happy number.

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., 441798361 + 248094001 = 21019^2 + 15751^2 .

It is a super-2 number, since 2×689892362² = 951902942291878088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172473089 + ... + 172473092.

Almost surely, 2^689892362 is an apocalyptic number.

689892362 is a deficient number, since it is larger than the sum of its proper divisors (344946184).

689892362 is a wasteful number, since it uses less digits than its factorization.

689892362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344946183.

The product of its digits is 2239488, while the sum is 53.

The square root of 689892362 is about 26265.8021389030. The cubic root of 689892362 is about 883.6096406138.

The spelling of 689892362 in words is "six hundred eighty-nine million, eight hundred ninety-two thousand, three hundred sixty-two".