193980426 has 8 divisors (see below), whose sum is σ = 387960864. Its totient is φ = 64660140.

The previous prime is 193980403. The next prime is 193980461. The reversal of 193980426 is 624089391.

193980426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

193980426 is an admirable number.

It is a super-2 number, since 2×193980426² = 75256811342282952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16165030 + ... + 16165041.

It is an arithmetic number, because the mean of its divisors is an integer number (48495108).

Almost surely, 2^193980426 is an apocalyptic number.

193980426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

193980426 is a wasteful number, since it uses less digits than its factorization.

193980426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32330076.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 193980426 is about 13927.6855938092. The cubic root of 193980426 is about 578.8765669448.

The spelling of 193980426 in words is "one hundred ninety-three million, nine hundred eighty thousand, four hundred twenty-six".