378734093 has 4 divisors (see below), whose sum is σ = 384068448. Its totient is φ = 373399740.

The previous prime is 378734017. The next prime is 378734101. The reversal of 378734093 is 390437873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390437873 = 7 ⋅55776839.

It is a cyclic number.

It is not a de Polignac number, because 378734093 - 2²⁸ = 110298637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378733093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2667071 + ... + 2667212.

It is an arithmetic number, because the mean of its divisors is an integer number (96017112).

Almost surely, 2^378734093 is an apocalyptic number.

It is an amenable number.

378734093 is a deficient number, since it is larger than the sum of its proper divisors (5334355).

378734093 is an equidigital number, since it uses as much as digits as its factorization.

378734093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334354.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 378734093 is about 19461.0917730738. The cubic root of 378734093 is about 723.5104370479.

The spelling of 378734093 in words is "three hundred seventy-eight million, seven hundred thirty-four thousand, ninety-three".