190472446 has 8 divisors (see below), whose sum is σ = 286519104. Its totient is φ = 94966080.

The previous prime is 190472419. The next prime is 190472449. The reversal of 190472446 is 644274091.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190472449) 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, 134190 + ... + 135601.

It is an arithmetic number, because the mean of its divisors is an integer number (35814888).

Almost surely, 2^190472446 is an apocalyptic number.

190472446 is a deficient number, since it is larger than the sum of its proper divisors (96046658).

190472446 is a wasteful number, since it uses less digits than its factorization.

190472446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270146.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 190472446 is about 13801.1755296424. The cubic root of 190472446 is about 575.3658123391.

The spelling of 190472446 in words is "one hundred ninety million, four hundred seventy-two thousand, four hundred forty-six".