690338376 has 320 divisors, whose sum is σ = 2488147200. Its totient is φ = 173809152.

The previous prime is 690338347. The next prime is 690338387. The reversal of 690338376 is 673833096.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1356010 + ... + 1356518.

It is an arithmetic number, because the mean of its divisors is an integer number (7775460).

Almost surely, 2^690338376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690338376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244073600).

690338376 is an abundant number, since it is smaller than the sum of its proper divisors (1797808824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690338376 is a wasteful number, since it uses less digits than its factorization.

690338376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 690338376 is about 26274.2911607526. The cubic root of 690338376 is about 883.8000168685.

The spelling of 690338376 in words is "six hundred ninety million, three hundred thirty-eight thousand, three hundred seventy-six".