1699887452 has 12 divisors (see below), whose sum is σ = 2989753200. Its totient is φ = 845672256.

The previous prime is 1699887439. The next prime is 1699887463. The reversal of 1699887452 is 2547889961.

It is a junction number, because it is equal to n+sod(n) for n = 1699887391 and 1699887400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066973 + ... + 1068564.

It is an arithmetic number, because the mean of its divisors is an integer number (249146100).

Almost surely, 2^1699887452 is an apocalyptic number.

It is an amenable number.

1699887452 is a deficient number, since it is larger than the sum of its proper divisors (1289865748).

1699887452 is a wasteful number, since it uses less digits than its factorization.

1699887452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135740 (or 2135738 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 59.

The square root of 1699887452 is about 41229.6913886097. The cubic root of 1699887452 is about 1193.4568532782.

The spelling of 1699887452 in words is "one billion, six hundred ninety-nine million, eight hundred eighty-seven thousand, four hundred fifty-two".