361399 has 8 divisors (see below), whose sum is σ = 397440. Its totient is φ = 327096.

The previous prime is 361373. The next prime is 361409. The reversal of 361399 is 993163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 361399 - 2⁷ = 361271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 361399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24 + ... + 850.

It is an arithmetic number, because the mean of its divisors is an integer number (49680).

2³⁶¹³⁹⁹ is an apocalyptic number.

361399 is a deficient number, since it is larger than the sum of its proper divisors (36041).

361399 is a wasteful number, since it uses less digits than its factorization.

361399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its digits is 4374, while the sum is 31.

The square root of 361399 is about 601.1647028893. The cubic root of 361399 is about 71.2298968626.

The spelling of 361399 in words is "three hundred sixty-one thousand, three hundred ninety-nine".