361551394 has 8 divisors (see below), whose sum is σ = 542522988. Its totient is φ = 180710400.

The previous prime is 361551389. The next prime is 361551397. The reversal of 361551394 is 493155163.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 358534225 + 3017169 = 18935^2 + 1737^2 .

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

It is not an unprimeable number, because it can be changed into a prime (361551397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25407 + ... + 36994.

Almost surely, 2^361551394 is an apocalyptic number.

361551394 is a deficient number, since it is larger than the sum of its proper divisors (180971594).

361551394 is a wasteful number, since it uses less digits than its factorization.

361551394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65300.

The product of its digits is 48600, while the sum is 37.

The square root of 361551394 is about 19014.5048318382. The cubic root of 361551394 is about 712.3990748193.

The spelling of 361551394 in words is "three hundred sixty-one million, five hundred fifty-one thousand, three hundred ninety-four".