194297650 has 24 divisors (see below), whose sum is σ = 369802224. Its totient is φ = 75910800.

The previous prime is 194297633. The next prime is 194297683. The reversal of 194297650 is 56792491.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 194297597 and 194297606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43036 + ... + 47335.

It is an arithmetic number, because the mean of its divisors is an integer number (15408426).

Almost surely, 2^194297650 is an apocalyptic number.

194297650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194297650 is a deficient number, since it is larger than the sum of its proper divisors (175504574).

194297650 is a wasteful number, since it uses less digits than its factorization.

194297650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90426 (or 90421 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 194297650 is about 13939.0691941751. The cubic root of 194297650 is about 579.1919484734.

The spelling of 194297650 in words is "one hundred ninety-four million, two hundred ninety-seven thousand, six hundred fifty".