193940430 has 64 divisors (see below), whose sum is σ = 474439680. Its totient is φ = 50730624.

The previous prime is 193940423. The next prime is 193940441. The reversal of 193940430 is 34049391.

It is a super-2 number, since 2×193940430² = 75225780777169800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 193940391 and 193940400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415057 + ... + 415523.

It is an arithmetic number, because the mean of its divisors is an integer number (7413120).

Almost surely, 2^193940430 is an apocalyptic number.

193940430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193940430 is an abundant number, since it is smaller than the sum of its proper divisors (280499250).

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

193940430 is a wasteful number, since it uses less digits than its factorization.

193940430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 193940430 is about 13926.2496746253. The cubic root of 193940430 is about 578.8367788434.

The spelling of 193940430 in words is "one hundred ninety-three million, nine hundred forty thousand, four hundred thirty".