361900987 has 16 divisors (see below), whose sum is σ = 428378112. Its totient is φ = 299305440.

The previous prime is 361900951. The next prime is 361900997. The reversal of 361900987 is 789009163.

It is not a de Polignac number, because 361900987 - 2¹⁵ = 361868219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361900937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15613 + ... + 31105.

It is an arithmetic number, because the mean of its divisors is an integer number (26773632).

Almost surely, 2^361900987 is an apocalyptic number.

361900987 is a deficient number, since it is larger than the sum of its proper divisors (66477125).

361900987 is a wasteful number, since it uses less digits than its factorization.

361900987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15618.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 361900987 is about 19023.6954086213. The cubic root of 361900987 is about 712.6286129580.

The spelling of 361900987 in words is "three hundred sixty-one million, nine hundred thousand, nine hundred eighty-seven".