199406475 has 24 divisors (see below), whose sum is σ = 366318320. Its totient is φ = 106349760.

The previous prime is 199406461. The next prime is 199406491. The reversal of 199406475 is 574604991.

It is not a de Polignac number, because 199406475 - 2²⁴ = 182629259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 199406475.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147034 + ... + 148383.

Almost surely, 2^199406475 is an apocalyptic number.

199406475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199406475 is a deficient number, since it is larger than the sum of its proper divisors (166911845).

199406475 is a wasteful number, since it uses less digits than its factorization.

199406475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295436 (or 295425 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 199406475 is about 14121.1357546056. The cubic root of 199406475 is about 584.2244819049.

The spelling of 199406475 in words is "one hundred ninety-nine million, four hundred six thousand, four hundred seventy-five".