194597492 has 6 divisors (see below), whose sum is σ = 340545618. Its totient is φ = 97298744.

The previous prime is 194597479. The next prime is 194597497. The reversal of 194597492 is 294795491.

194597492 is digitally balanced in base 2, because in such base 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., 150454756 + 44142736 = 12266^2 + 6644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194597492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194597497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24324683 + ... + 24324690.

It is an arithmetic number, because the mean of its divisors is an integer number (56757603).

Almost surely, 2^194597492 is an apocalyptic number.

It is an amenable number.

194597492 is a deficient number, since it is larger than the sum of its proper divisors (145948126).

194597492 is a wasteful number, since it uses less digits than its factorization.

194597492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48649377 (or 48649375 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 194597492 is about 13949.8205006373. The cubic root of 194597492 is about 579.4897335373.

The spelling of 194597492 in words is "one hundred ninety-four million, five hundred ninety-seven thousand, four hundred ninety-two".