381617698 has 32 divisors (see below), whose sum is σ = 751242240. Its totient is φ = 140855760.

The previous prime is 381617659. The next prime is 381617701. The reversal of 381617698 is 896716183.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62286 + ... + 68137.

It is an arithmetic number, because the mean of its divisors is an integer number (23476320).

Almost surely, 2^381617698 is an apocalyptic number.

381617698 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

381617698 is a deficient number, since it is larger than the sum of its proper divisors (369624542).

381617698 is a wasteful number, since it uses less digits than its factorization.

381617698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130462.

The product of its digits is 435456, while the sum is 49.

The square root of 381617698 is about 19535.0377015249. The cubic root of 381617698 is about 725.3420173048.

The spelling of 381617698 in words is "three hundred eighty-one million, six hundred seventeen thousand, six hundred ninety-eight".