361899007 has 4 divisors (see below), whose sum is σ = 366259320. Its totient is φ = 357538696.

The previous prime is 361898987. The next prime is 361899011. The reversal of 361899007 is 700998163.

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 361899007 - 2¹¹ = 361896959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361899017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2180032 + ... + 2180197.

It is an arithmetic number, because the mean of its divisors is an integer number (91564830).

Almost surely, 2^361899007 is an apocalyptic number.

361899007 is a deficient number, since it is larger than the sum of its proper divisors (4360313).

361899007 is an equidigital number, since it uses as much as digits as its factorization.

361899007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360312.

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

The square root of 361899007 is about 19023.6433681879. The cubic root of 361899007 is about 712.6273133325.

The spelling of 361899007 in words is "three hundred sixty-one million, eight hundred ninety-nine thousand, seven".