361899 has 12 divisors (see below), whose sum is σ = 530400. Its totient is φ = 237744.

The previous prime is 361877. The next prime is 361901. The reversal of 361899 is 998163.

It is not a de Polignac number, because 361899 - 2⁸ = 361643 is a prime.

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

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 361899.

It is not an unprimeable number, because it can be changed into a prime (361499) 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, 457 + ... + 965.

It is an arithmetic number, because the mean of its divisors is an integer number (44200).

2³⁶¹⁸⁹⁹ is an apocalyptic number.

361899 is a deficient number, since it is larger than the sum of its proper divisors (168501).

361899 is a wasteful number, since it uses less digits than its factorization.

361899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 591 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 361899 is about 601.5804185643. The cubic root of 361899 is about 71.2627308738.

The spelling of 361899 in words is "three hundred sixty-one thousand, eight hundred ninety-nine".