698977952 has 48 divisors (see below), whose sum is σ = 1462111560. Its totient is φ = 328301568.

The previous prime is 698977949. The next prime is 698977957. The reversal of 698977952 is 259779896.

It can be written as a sum of positive squares in 4 ways, for example, as 690428176 + 8549776 = 26276^2 + 2924^2 .

It is a super-2 number, since 2×698977952² = 977140354764228608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (698977957) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24158 + ... + 44514.

Almost surely, 2^698977952 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 698977952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731055780).

698977952 is an abundant number, since it is smaller than the sum of its proper divisors (763133608).

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

698977952 is a wasteful number, since it uses less digits than its factorization.

698977952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20433 (or 20425 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 62.

The square root of 698977952 is about 26438.1911635422. The cubic root of 698977952 is about 887.4716576812.

The spelling of 698977952 in words is "six hundred ninety-eight million, nine hundred seventy-seven thousand, nine hundred fifty-two".