361612287 has 24 divisors (see below), whose sum is σ = 553915440. Its totient is φ = 226540800.

The previous prime is 361612283. The next prime is 361612319. The reversal of 361612287 is 782216163.

361612287 is a `hidden beast` number, since 3 + 616 + 12 + 28 + 7 = 666.

It is not a de Polignac number, because 361612287 - 2² = 361612283 is a prime.

It is a super-2 number, since 2×361612287² = 261526892218740738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361612283) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 125412 + ... + 128262.

It is an arithmetic number, because the mean of its divisors is an integer number (23079810).

Almost surely, 2^361612287 is an apocalyptic number.

361612287 is a deficient number, since it is larger than the sum of its proper divisors (192303153).

361612287 is a wasteful number, since it uses less digits than its factorization.

361612287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703 (or 3700 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 361612287 is about 19016.1059893975. The cubic root of 361612287 is about 712.4390669960.

The spelling of 361612287 in words is "three hundred sixty-one million, six hundred twelve thousand, two hundred eighty-seven".