193420456 has 32 divisors (see below), whose sum is σ = 382788000. Its totient is φ = 91371456.

The previous prime is 193420433. The next prime is 193420477. The reversal of 193420456 is 654024391.

It is a happy number.

193420456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×193420456² = 74822945598495872, which contains 22 as substring.

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, 62170 + ... + 65206.

It is an arithmetic number, because the mean of its divisors is an integer number (11962125).

Almost surely, 2^193420456 is an apocalyptic number.

It is an amenable number.

193420456 is a deficient number, since it is larger than the sum of its proper divisors (189367544).

193420456 is a wasteful number, since it uses less digits than its factorization.

193420456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 193420456 is about 13907.5682993110. The cubic root of 193420456 is about 578.3190090954.

The spelling of 193420456 in words is "one hundred ninety-three million, four hundred twenty thousand, four hundred fifty-six".