381054436 has 12 divisors (see below), whose sum is σ = 762108928. Its totient is φ = 163309032.

The previous prime is 381054431. The next prime is 381054463. The reversal of 381054436 is 634450183.

It is a happy number.

381054436 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (381054431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6804516 + ... + 6804571.

Almost surely, 2^381054436 is an apocalyptic number.

It is an amenable number.

381054436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

381054436 is a wasteful number, since it uses less digits than its factorization.

381054436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13609098 (or 13609096 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 381054436 is about 19520.6156665204. The cubic root of 381054436 is about 724.9849769380.

The spelling of 381054436 in words is "three hundred eighty-one million, fifty-four thousand, four hundred thirty-six".