381154476 has 12 divisors (see below), whose sum is σ = 889360472. Its totient is φ = 127051488.

The previous prime is 381154471. The next prime is 381154481. The reversal of 381154476 is 674451183.

It is an interprime number because it is at equal distance from previous prime (381154471) and next prime (381154481).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (381154471) 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, 15881425 + ... + 15881448.

Almost surely, 2^381154476 is an apocalyptic number.

It is an amenable number.

381154476 is an abundant number, since it is smaller than the sum of its proper divisors (508205996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381154476 is a wasteful number, since it uses less digits than its factorization.

381154476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31762880 (or 31762878 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 381154476 is about 19523.1779175420. The cubic root of 381154476 is about 725.0484159502.

The spelling of 381154476 in words is "three hundred eighty-one million, one hundred fifty-four thousand, four hundred seventy-six".