381501046 has 24 divisors (see below), whose sum is σ = 633432744. Its totient is φ = 171716160.

The previous prime is 381501037. The next prime is 381501067. The reversal of 381501046 is 640105183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7381 + ... + 28591.

It is an arithmetic number, because the mean of its divisors is an integer number (26393031).

Almost surely, 2^381501046 is an apocalyptic number.

381501046 is a deficient number, since it is larger than the sum of its proper divisors (251931698).

381501046 is a wasteful number, since it uses less digits than its factorization.

381501046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21276 (or 21253 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 381501046 is about 19532.0517611438. The cubic root of 381501046 is about 725.2681028259.

The spelling of 381501046 in words is "three hundred eighty-one million, five hundred one thousand, forty-six".