193484381 has 2 divisors, whose sum is σ = 193484382. Its totient is φ = 193484380.

The previous prime is 193484329. The next prime is 193484461. The reversal of 193484381 is 183484391.

193484381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180768025 + 12716356 = 13445^2 + 3566^2 .

It is a cyclic number.

It is not a de Polignac number, because 193484381 - 2²² = 189290077 is a prime.

It is a super-2 number, since 2×193484381² = 74872411381906322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193487381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96742190 + 96742191.

It is an arithmetic number, because the mean of its divisors is an integer number (96742191).

Almost surely, 2^193484381 is an apocalyptic number.

It is an amenable number.

193484381 is a deficient number, since it is larger than the sum of its proper divisors (1).

193484381 is an equidigital number, since it uses as much as digits as its factorization.

193484381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 193484381 is about 13909.8663185525. The cubic root of 193484381 is about 578.3827130963.

The spelling of 193484381 in words is "one hundred ninety-three million, four hundred eighty-four thousand, three hundred eighty-one".