381049004 has 24 divisors (see below), whose sum is σ = 795234048. Its totient is φ = 156206160.

The previous prime is 381049003. The next prime is 381049007. The reversal of 381049004 is 400940183.

It is not an unprimeable number, because it can be changed into a prime (381049003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295202 + ... + 296489.

It is an arithmetic number, because the mean of its divisors is an integer number (33134752).

Almost surely, 2^381049004 is an apocalyptic number.

It is an amenable number.

381049004 is an abundant number, since it is smaller than the sum of its proper divisors (414185044).

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

381049004 is a wasteful number, since it uses less digits than its factorization.

381049004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591725 (or 591723 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 381049004 is about 19520.4765310686. The cubic root of 381049004 is about 724.9815319909.

Adding to 381049004 its reverse (400940183), we get a palindrome (781989187).

The spelling of 381049004 in words is "three hundred eighty-one million, forty-nine thousand, four".