381398495 has 8 divisors (see below), whose sum is σ = 481766640. Its totient is φ = 289059840.

The previous prime is 381398483. The next prime is 381398503. The reversal of 381398495 is 594893183.

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

It is not a de Polignac number, because 381398495 - 2⁶ = 381398431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007266 + ... + 2007455.

It is an arithmetic number, because the mean of its divisors is an integer number (60220830).

Almost surely, 2^381398495 is an apocalyptic number.

381398495 is a deficient number, since it is larger than the sum of its proper divisors (100368145).

381398495 is a wasteful number, since it uses less digits than its factorization.

381398495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014745.

The product of its digits is 933120, while the sum is 50.

The square root of 381398495 is about 19529.4263868655. The cubic root of 381398495 is about 725.2031107502.

The spelling of 381398495 in words is "three hundred eighty-one million, three hundred ninety-eight thousand, four hundred ninety-five".