690959376 has 160 divisors (see below), whose sum is σ = 2085937920. Its totient is φ = 218566656.

The previous prime is 690959371. The next prime is 690959387. The reversal of 690959376 is 673959096.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690959371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1957216 + ... + 1957568.

It is an arithmetic number, because the mean of its divisors is an integer number (13037112).

Almost surely, 2^690959376 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 690959376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042968960).

690959376 is an abundant number, since it is smaller than the sum of its proper divisors (1394978544).

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

690959376 is a wasteful number, since it uses less digits than its factorization.

690959376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The square root of 690959376 is about 26286.1061399364. The cubic root of 690959376 is about 884.0649474882.

The spelling of 690959376 in words is "six hundred ninety million, nine hundred fifty-nine thousand, three hundred seventy-six".