199235464 has 8 divisors (see below), whose sum is σ = 373566510. Its totient is φ = 99617728.

The previous prime is 199235459. The next prime is 199235483. The reversal of 199235464 is 464532991.

It can be written as a sum of positive squares in only one way, i.e., 151044100 + 48191364 = 12290^2 + 6942^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 199235464.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12452209 + ... + 12452224.

Almost surely, 2^199235464 is an apocalyptic number.

It is an amenable number.

199235464 is a deficient number, since it is larger than the sum of its proper divisors (174331046).

199235464 is a wasteful number, since it uses less digits than its factorization.

199235464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24904439 (or 24904435 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 199235464 is about 14115.0793125650. The cubic root of 199235464 is about 584.0574238274.

The spelling of 199235464 in words is "one hundred ninety-nine million, two hundred thirty-five thousand, four hundred sixty-four".