194198402 has 8 divisors (see below), whose sum is σ = 291356796. Its totient is φ = 97079472.

The previous prime is 194198401. The next prime is 194198423. The reversal of 194198402 is 204891491.

194198402 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 2 ways, for example, as 183900721 + 10297681 = 13561^2 + 3209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (194198401) 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, 13628 + ... + 23960.

Almost surely, 2^194198402 is an apocalyptic number.

194198402 is a deficient number, since it is larger than the sum of its proper divisors (97158394).

194198402 is a wasteful number, since it uses less digits than its factorization.

194198402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19732.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 194198402 is about 13935.5086738877. The cubic root of 194198402 is about 579.0933138392.

The spelling of 194198402 in words is "one hundred ninety-four million, one hundred ninety-eight thousand, four hundred two".