361404229 has 4 divisors (see below), whose sum is σ = 361442476. Its totient is φ = 361365984.

The previous prime is 361404209. The next prime is 361404259. The reversal of 361404229 is 922404163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 59444100 + 301960129 = 7710^2 + 17377^2 .

It is a cyclic number.

It is not a de Polignac number, because 361404229 - 2¹⁹ = 360879941 is a prime.

It is a super-2 number, since 2×361404229² = 261226033478168882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 361404229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361404209) 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, 6457 + ... + 27649.

It is an arithmetic number, because the mean of its divisors is an integer number (90360619).

Almost surely, 2^361404229 is an apocalyptic number.

It is an amenable number.

361404229 is a deficient number, since it is larger than the sum of its proper divisors (38247).

361404229 is a wasteful number, since it uses less digits than its factorization.

361404229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38246.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 361404229 is about 19010.6346290701. The cubic root of 361404229 is about 712.3024039730.

The spelling of 361404229 in words is "three hundred sixty-one million, four hundred four thousand, two hundred twenty-nine".