194902401 has 16 divisors (see below), whose sum is σ = 264584960. Its totient is φ = 127595520.

The previous prime is 194902333. The next prime is 194902423. The reversal of 194902401 is 104209491.

It is not a de Polignac number, because 194902401 - 2²³ = 186513793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (194902601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43611 + ... + 47871.

It is an arithmetic number, because the mean of its divisors is an integer number (16536560).

Almost surely, 2^194902401 is an apocalyptic number.

It is an amenable number.

194902401 is a deficient number, since it is larger than the sum of its proper divisors (69682559).

194902401 is a wasteful number, since it uses less digits than its factorization.

194902401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 194902401 is about 13960.7450016108. The cubic root of 194902401 is about 579.7922373180.

The spelling of 194902401 in words is "one hundred ninety-four million, nine hundred two thousand, four hundred one".