191094964 has 6 divisors (see below), whose sum is σ = 334416194. Its totient is φ = 95547480.

The previous prime is 191094961. The next prime is 191094979. The reversal of 191094964 is 469490191.

It is a happy number.

191094964 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 123032464 + 68062500 = 11092^2 + 8250^2 .

It is a super-2 number, since 2×191094964² = 73034570532322592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 191094964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191094961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23886867 + ... + 23886874.

Almost surely, 2^191094964 is an apocalyptic number.

It is an amenable number.

191094964 is a deficient number, since it is larger than the sum of its proper divisors (143321230).

191094964 is a wasteful number, since it uses less digits than its factorization.

191094964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47773745 (or 47773743 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 191094964 is about 13823.7102110830. The cubic root of 191094964 is about 575.9919502797.

The spelling of 191094964 in words is "one hundred ninety-one million, ninety-four thousand, nine hundred sixty-four".