361022987 has 4 divisors (see below), whose sum is σ = 388794000. Its totient is φ = 333251976.

The previous prime is 361022983. The next prime is 361023037. The reversal of 361022987 is 789220163.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 361022987 - 2² = 361022983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 361022987.

It is not an unprimeable number, because it can be changed into a prime (361022983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13885487 + ... + 13885512.

It is an arithmetic number, because the mean of its divisors is an integer number (97198500).

Almost surely, 2^361022987 is an apocalyptic number.

361022987 is a deficient number, since it is larger than the sum of its proper divisors (27771013).

361022987 is a wasteful number, since it uses less digits than its factorization.

361022987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27771012.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 361022987 is about 19000.6049114232. The cubic root of 361022987 is about 712.0518487628.

The spelling of 361022987 in words is "three hundred sixty-one million, twenty-two thousand, nine hundred eighty-seven".