381892623 has 12 divisors (see below), whose sum is σ = 592323480. Its totient is φ = 218224272.

The previous prime is 381892597. The next prime is 381892633. The reversal of 381892623 is 326298183.

It is not a de Polignac number, because 381892623 - 2⁵ = 381892591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381892633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1298808 + ... + 1299101.

It is an arithmetic number, because the mean of its divisors is an integer number (49360290).

Almost surely, 2^381892623 is an apocalyptic number.

381892623 is a deficient number, since it is larger than the sum of its proper divisors (210430857).

381892623 is a wasteful number, since it uses less digits than its factorization.

381892623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597926 (or 2597919 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 381892623 is about 19542.0731500013. The cubic root of 381892623 is about 725.5161591112.

The spelling of 381892623 in words is "three hundred eighty-one million, eight hundred ninety-two thousand, six hundred twenty-three".