381630036 has 24 divisors (see below), whose sum is σ = 909417600. Its totient is φ = 124503232.

The previous prime is 381630019. The next prime is 381630043. The reversal of 381630036 is 630036183.

It is a super-2 number, since 2×381630036² = 291282968754722592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 381629985 and 381630012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 337761 + ... + 338888.

It is an arithmetic number, because the mean of its divisors is an integer number (37892400).

Almost surely, 2^381630036 is an apocalyptic number.

It is an amenable number.

381630036 is an abundant number, since it is smaller than the sum of its proper divisors (527787564).

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

381630036 is a wasteful number, since it uses less digits than its factorization.

381630036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676703 (or 676701 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 381630036 is about 19535.3534905310. The cubic root of 381630036 is about 725.3498341797.

The spelling of 381630036 in words is "three hundred eighty-one million, six hundred thirty thousand, thirty-six".