194240634 has 16 divisors (see below), whose sum is σ = 443978688. Its totient is φ = 55497312.

The previous prime is 194240611. The next prime is 194240647. The reversal of 194240634 is 436042491.

It is a junction number, because it is equal to n+sod(n) for n = 194240595 and 194240604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312347 + ... + 2312430.

It is an arithmetic number, because the mean of its divisors is an integer number (27748668).

Almost surely, 2^194240634 is an apocalyptic number.

194240634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

194240634 is an abundant number, since it is smaller than the sum of its proper divisors (249738054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194240634 is a wasteful number, since it uses less digits than its factorization.

194240634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624789.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 194240634 is about 13937.0238573377. The cubic root of 194240634 is about 579.1352889464.

The spelling of 194240634 in words is "one hundred ninety-four million, two hundred forty thousand, six hundred thirty-four".