199464490 has 8 divisors (see below), whose sum is σ = 359036100. Its totient is φ = 79785792.

The previous prime is 199464469. The next prime is 199464511. The reversal of 199464490 is 94464991.

It is an interprime number because it is at equal distance from previous prime (199464469) and next prime (199464511).

It can be written as a sum of positive squares in 2 ways, for example, as 198556281 + 908209 = 14091^2 + 953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 199464490.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9973215 + ... + 9973234.

Almost surely, 2^199464490 is an apocalyptic number.

199464490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199464490 is a deficient number, since it is larger than the sum of its proper divisors (159571610).

199464490 is a wasteful number, since it uses less digits than its factorization.

199464490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19946456.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 199464490 is about 14123.1897955101. The cubic root of 199464490 is about 584.2811341891.

The spelling of 199464490 in words is "one hundred ninety-nine million, four hundred sixty-four thousand, four hundred ninety".