691104352 has 48 divisors (see below), whose sum is σ = 1406350512. Its totient is φ = 334056960.

The previous prime is 691104331. The next prime is 691104361. The reversal of 691104352 is 253401196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191202 + ... + 194782.

It is an arithmetic number, because the mean of its divisors is an integer number (29298969).

Almost surely, 2^691104352 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 691104352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703175256).

691104352 is an abundant number, since it is smaller than the sum of its proper divisors (715246160).

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

691104352 is a wasteful number, since it uses less digits than its factorization.

691104352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791 (or 3783 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 691104352 is about 26288.8636498423. The cubic root of 691104352 is about 884.1267741992.

The spelling of 691104352 in words is "six hundred ninety-one million, one hundred four thousand, three hundred fifty-two".