199347456 has 144 divisors (see below), whose sum is σ = 661667328. Its totient is φ = 51763200.

The previous prime is 199347439. The next prime is 199347461. The reversal of 199347456 is 654743991.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57451 + ... + 60821.

It is an arithmetic number, because the mean of its divisors is an integer number (4594912).

Almost surely, 2^199347456 is an apocalyptic number.

199347456 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 199347456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330833664).

199347456 is an abundant number, since it is smaller than the sum of its proper divisors (462319872).

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

199347456 is a wasteful number, since it uses less digits than its factorization.

199347456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408 (or 3394 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 199347456 is about 14119.0458601139. The cubic root of 199347456 is about 584.1668379275.

The spelling of 199347456 in words is "one hundred ninety-nine million, three hundred forty-seven thousand, four hundred fifty-six".