682820938 has 4 divisors (see below), whose sum is σ = 1024231410. Its totient is φ = 341410468.

The previous prime is 682820923. The next prime is 682820953. The reversal of 682820938 is 839028286.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (682820923) and next prime (682820953).

It can be written as a sum of positive squares in only one way, i.e., 639432369 + 43388569 = 25287^2 + 6587^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170705233 + ... + 170705236.

Almost surely, 2^682820938 is an apocalyptic number.

682820938 is a deficient number, since it is larger than the sum of its proper divisors (341410472).

682820938 is a wasteful number, since it uses less digits than its factorization.

682820938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341410471.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 682820938 is about 26130.8426576718. The cubic root of 682820938 is about 880.5802552199.

The spelling of 682820938 in words is "six hundred eighty-two million, eight hundred twenty thousand, nine hundred thirty-eight".