361028681 has 16 divisors (see below), whose sum is σ = 395539200. Its totient is φ = 327512640.

The previous prime is 361028659. The next prime is 361028687. The reversal of 361028681 is 186820163.

It is a de Polignac number, because none of the positive numbers 2^k-361028681 is a prime.

It is a super-2 number, since 2×361028681² = 260683417009199522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361028687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552551 + ... + 553203.

It is an arithmetic number, because the mean of its divisors is an integer number (24721200).

Almost surely, 2^361028681 is an apocalyptic number.

It is an amenable number.

361028681 is a deficient number, since it is larger than the sum of its proper divisors (34510519).

361028681 is a wasteful number, since it uses less digits than its factorization.

361028681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 361028681 is about 19000.7547481672. The cubic root of 361028681 is about 712.0555922012.

The spelling of 361028681 in words is "three hundred sixty-one million, twenty-eight thousand, six hundred eighty-one".