699661452 has 48 divisors (see below), whose sum is σ = 1975518720. Its totient is φ = 188143872.

The previous prime is 699661451. The next prime is 699661463. The reversal of 699661452 is 254166996.

It is a super-2 number, since 2×699661452² = 979052294829496608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (699661451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243552 + ... + 246407.

It is an arithmetic number, because the mean of its divisors is an integer number (41156640).

Almost surely, 2^699661452 is an apocalyptic number.

It is an amenable number.

699661452 is an abundant number, since it is smaller than the sum of its proper divisors (1275857268).

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

699661452 is a wasteful number, since it uses less digits than its factorization.

699661452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489990 (or 489988 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 699661452 is about 26451.1143810615. The cubic root of 699661452 is about 887.7608366962.

The spelling of 699661452 in words is "six hundred ninety-nine million, six hundred sixty-one thousand, four hundred fifty-two".