190446953 has 4 divisors (see below), whose sum is σ = 190481280. Its totient is φ = 190412628.

The previous prime is 190446947. The next prime is 190446983. The reversal of 190446953 is 359644091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 359644091 = 379 ⋅948929.

It is a cyclic number.

It is not a de Polignac number, because 190446953 - 2¹⁸ = 190184809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190446953.

It is not an unprimeable number, because it can be changed into a prime (190446983) 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, 6725 + ... + 20642.

It is an arithmetic number, because the mean of its divisors is an integer number (47620320).

Almost surely, 2^190446953 is an apocalyptic number.

It is an amenable number.

190446953 is a deficient number, since it is larger than the sum of its proper divisors (34327).

190446953 is an equidigital number, since it uses as much as digits as its factorization.

190446953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34326.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 190446953 is about 13800.2519179905. The cubic root of 190446953 is about 575.3401420381.

The spelling of 190446953 in words is "one hundred ninety million, four hundred forty-six thousand, nine hundred fifty-three".