381362398 has 4 divisors (see below), whose sum is σ = 572043600. Its totient is φ = 190681198.

The previous prime is 381362393. The next prime is 381362407. The reversal of 381362398 is 893263183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893263183 = 173 ⋅5163371.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381362393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95340598 + ... + 95340601.

It is an arithmetic number, because the mean of its divisors is an integer number (143010900).

Almost surely, 2^381362398 is an apocalyptic number.

381362398 is a deficient number, since it is larger than the sum of its proper divisors (190681202).

381362398 is a wasteful number, since it uses less digits than its factorization.

381362398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190681201.

The product of its digits is 186624, while the sum is 43.

The square root of 381362398 is about 19528.5021955090. The cubic root of 381362398 is about 725.1802313708.

The spelling of 381362398 in words is "three hundred eighty-one million, three hundred sixty-two thousand, three hundred ninety-eight".