191943452 has 12 divisors (see below), whose sum is σ = 339675840. Its totient is φ = 94893216.

The previous prime is 191943407. The next prime is 191943467. The reversal of 191943452 is 254349191.

191943452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 269228 + ... + 269939.

It is an arithmetic number, because the mean of its divisors is an integer number (28306320).

Almost surely, 2^191943452 is an apocalyptic number.

It is an amenable number.

191943452 is a deficient number, since it is larger than the sum of its proper divisors (147732388).

191943452 is a wasteful number, since it uses less digits than its factorization.

191943452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539260 (or 539258 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 191943452 is about 13854.3658100976. The cubic root of 191943452 is about 576.8431862225.

The spelling of 191943452 in words is "one hundred ninety-one million, nine hundred forty-three thousand, four hundred fifty-two".