199267456 has 32 divisors (see below), whose sum is σ = 399024000. Its totient is φ = 99120384.

The previous prime is 199267427. The next prime is 199267457. The reversal of 199267456 is 654762991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (199267457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21561 + ... + 29383.

It is an arithmetic number, because the mean of its divisors is an integer number (12469500).

Almost surely, 2^199267456 is an apocalyptic number.

199267456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199267456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199512000).

199267456 is an abundant number, since it is smaller than the sum of its proper divisors (199756544).

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

199267456 is an equidigital number, since it uses as much as digits as its factorization.

199267456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036 (or 8024 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 199267456 is about 14116.2125231947. The cubic root of 199267456 is about 584.0886835986.

The spelling of 199267456 in words is "one hundred ninety-nine million, two hundred sixty-seven thousand, four hundred fifty-six".