361397 has 4 divisors (see below), whose sum is σ = 363660. Its totient is φ = 359136.

The previous prime is 361373. The next prime is 361409. The reversal of 361397 is 793163.

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

It can be written as a sum of positive squares in 2 ways, for example, as 323761 + 37636 = 569^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 361397 - 2¹⁶ = 295861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 361397.

It is not an unprimeable number, because it can be changed into a prime (361327) 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, 872 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (90915).

2³⁶¹³⁹⁷ is an apocalyptic number.

It is an amenable number.

361397 is a deficient number, since it is larger than the sum of its proper divisors (2263).

361397 is a wasteful number, since it uses less digits than its factorization.

361397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its digits is 3402, while the sum is 29.

The square root of 361397 is about 601.1630394494. The cubic root of 361397 is about 71.2297654657.

The spelling of 361397 in words is "three hundred sixty-one thousand, three hundred ninety-seven".