699844374 has 32 divisors (see below), whose sum is σ = 1574419680. Its totient is φ = 233280000.

The previous prime is 699844349. The next prime is 699844417. The reversal of 699844374 is 473448996.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 699844374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75627 + ... + 84374.

It is an arithmetic number, because the mean of its divisors is an integer number (49200615).

Almost surely, 2^699844374 is an apocalyptic number.

699844374 is an abundant number, since it is smaller than the sum of its proper divisors (874575306).

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

699844374 is an equidigital number, since it uses as much as digits as its factorization.

699844374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160024 (or 160006 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 699844374 is about 26454.5718922080. The cubic root of 699844374 is about 887.8381964142.

It can be divided in two parts, 69984 and 4374, that multiplied together give a square (306110016 = 17496²).

The spelling of 699844374 in words is "six hundred ninety-nine million, eight hundred forty-four thousand, three hundred seventy-four".