381359016 has 40 divisors (see below), whose sum is σ = 1068160170. Its totient is φ = 127119456.

The previous prime is 381359003. The next prime is 381359039. The reversal of 381359016 is 610953183.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 360620100 + 20738916 = 18990^2 + 4554^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 293611 + ... + 294906.

Almost surely, 2^381359016 is an apocalyptic number.

381359016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

381359016 is an abundant number, since it is smaller than the sum of its proper divisors (686801154).

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

381359016 is a wasteful number, since it uses less digits than its factorization.

381359016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588535 (or 588522 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 381359016 is about 19528.4156039347. The cubic root of 381359016 is about 725.1780876821.

The spelling of 381359016 in words is "three hundred eighty-one million, three hundred fifty-nine thousand, sixteen".