194305530 has 16 divisors (see below), whose sum is σ = 466333344. Its totient is φ = 51814800.

The previous prime is 194305523. The next prime is 194305547. The reversal of 194305530 is 35503491.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 6476851 = 194305530 / (1 + 9 + 4 + 3 + 0 + 5 + 5 + 3 + 0).

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, 3238396 + ... + 3238455.

It is an arithmetic number, because the mean of its divisors is an integer number (29145834).

Almost surely, 2^194305530 is an apocalyptic number.

194305530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194305530 is an abundant number, since it is smaller than the sum of its proper divisors (272027814).

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

194305530 is a wasteful number, since it uses less digits than its factorization.

194305530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6476861.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 194305530 is about 13939.3518500682. The cubic root of 194305530 is about 579.1997783345.

The spelling of 194305530 in words is "one hundred ninety-four million, three hundred five thousand, five hundred thirty".