361791406 has 4 divisors (see below), whose sum is σ = 542687112. Its totient is φ = 180895702.

The previous prime is 361791389. The next prime is 361791413. The reversal of 361791406 is 604197163.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 90447850 + ... + 90447853.

It is an arithmetic number, because the mean of its divisors is an integer number (135671778).

Almost surely, 2^361791406 is an apocalyptic number.

361791406 is a deficient number, since it is larger than the sum of its proper divisors (180895706).

361791406 is a wasteful number, since it uses less digits than its factorization.

361791406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180895705.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 361791406 is about 19020.8150719153. The cubic root of 361791406 is about 712.5566794348.

The spelling of 361791406 in words is "three hundred sixty-one million, seven hundred ninety-one thousand, four hundred six".