199357970 has 48 divisors (see below), whose sum is σ = 420577920. Its totient is φ = 67836384.

The previous prime is 199357967. The next prime is 199358009. The reversal of 199357970 is 79753991.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66647 + ... + 69573.

It is an arithmetic number, because the mean of its divisors is an integer number (8762040).

Almost surely, 2^199357970 is an apocalyptic number.

199357970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199357970 is an abundant number, since it is smaller than the sum of its proper divisors (221219950).

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

199357970 is a wasteful number, since it uses less digits than its factorization.

199357970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 535815, while the sum is 50.

The square root of 199357970 is about 14119.4181891465. The cubic root of 199357970 is about 584.1771078055.

The spelling of 199357970 in words is "one hundred ninety-nine million, three hundred fifty-seven thousand, nine hundred seventy".