381420495 has 40 divisors (see below), whose sum is σ = 694985280. Its totient is φ = 200076480.

The previous prime is 381420493. The next prime is 381420509. The reversal of 381420495 is 594024183.

It is not a de Polignac number, because 381420495 - 2¹ = 381420493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381420491) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16986 + ... + 32424.

It is an arithmetic number, because the mean of its divisors is an integer number (17374632).

Almost surely, 2^381420495 is an apocalyptic number.

381420495 is a deficient number, since it is larger than the sum of its proper divisors (313564785).

381420495 is a wasteful number, since it uses less digits than its factorization.

381420495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15517 (or 15508 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 381420495 is about 19529.9896313337. The cubic root of 381420495 is about 725.2170543131.

The spelling of 381420495 in words is "three hundred eighty-one million, four hundred twenty thousand, four hundred ninety-five".