447213190 has 8 divisors (see below), whose sum is σ = 804983760. Its totient is φ = 178885272.

The previous prime is 447213149. The next prime is 447213269. The reversal of 447213190 is 91312744.

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

It is a super-2 number, since 2×447213190² = 399999274619952200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22360650 + ... + 22360669.

It is an arithmetic number, because the mean of its divisors is an integer number (100622970).

Almost surely, 2^447213190 is an apocalyptic number.

447213190 is a deficient number, since it is larger than the sum of its proper divisors (357770570).

447213190 is a wasteful number, since it uses less digits than its factorization.

447213190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44721326.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 447213190 is about 21147.4156813545. The cubic root of 447213190 is about 764.7242601999.

The spelling of 447213190 in words is "four hundred forty-seven million, two hundred thirteen thousand, one hundred ninety".