199893465 has 48 divisors (see below), whose sum is σ = 354594240. Its totient is φ = 104146560.

The previous prime is 199893457. The next prime is 199893479. The reversal of 199893465 is 564398991.

199893465 is a `hidden beast` number, since 1 + 9 + 98 + 93 + 465 = 666.

It is not a de Polignac number, because 199893465 - 2³ = 199893457 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 406870 + ... + 407360.

It is an arithmetic number, because the mean of its divisors is an integer number (7387380).

Almost surely, 2^199893465 is an apocalyptic number.

199893465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199893465 is a deficient number, since it is larger than the sum of its proper divisors (154700775).

199893465 is a wasteful number, since it uses less digits than its factorization.

199893465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 691 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 199893465 is about 14138.3685409597. The cubic root of 199893465 is about 584.6996924568.

The spelling of 199893465 in words is "one hundred ninety-nine million, eight hundred ninety-three thousand, four hundred sixty-five".