174400381 has 8 divisors (see below), whose sum is σ = 176601600. Its totient is φ = 172212960.

The previous prime is 174400379. The next prime is 174400393. The reversal of 174400381 is 183004471.

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

It is a cyclic number.

It is not a de Polignac number, because 174400381 - 2¹ = 174400379 is a prime.

It is a super-2 number, since 2×174400381² = 60830985785890322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (174400301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23265 + ... + 29833.

It is an arithmetic number, because the mean of its divisors is an integer number (22075200).

Almost surely, 2^174400381 is an apocalyptic number.

It is an amenable number.

174400381 is a deficient number, since it is larger than the sum of its proper divisors (2201219).

174400381 is a wasteful number, since it uses less digits than its factorization.

174400381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 174400381 is about 13206.0736405640. The cubic root of 174400381 is about 558.7048951040.

The spelling of 174400381 in words is "one hundred seventy-four million, four hundred thousand, three hundred eighty-one".