360787221 has 12 divisors (see below), whose sum is σ = 526993740. Its totient is φ = 237821760.

The previous prime is 360787213. The next prime is 360787241. The reversal of 360787221 is 122787063.

360787221 is a `hidden beast` number, since 360 + 78 + 7 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 240095025 + 120692196 = 15495^2 + 10986^2 .

It is not a de Polignac number, because 360787221 - 2³ = 360787213 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (360787211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224410 + ... + 226011.

It is an arithmetic number, because the mean of its divisors is an integer number (43916145).

Almost surely, 2^360787221 is an apocalyptic number.

It is an amenable number.

360787221 is a deficient number, since it is larger than the sum of its proper divisors (166206519).

360787221 is a wasteful number, since it uses less digits than its factorization.

360787221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450516 (or 450513 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 360787221 is about 18994.3997272880. The cubic root of 360787221 is about 711.8968132299.

The spelling of 360787221 in words is "three hundred sixty million, seven hundred eighty-seven thousand, two hundred twenty-one".