361448947 has 4 divisors (see below), whose sum is σ = 362011720. Its totient is φ = 360886176.

The previous prime is 361448929. The next prime is 361448963. The reversal of 361448947 is 749844163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749844163 = 317 ⋅2365439.

It is a cyclic number.

It is not a de Polignac number, because 361448947 - 2¹⁵ = 361416179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 361448897 and 361448906.

It is not an unprimeable number, because it can be changed into a prime (361448977) 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, 280422 + ... + 281707.

It is an arithmetic number, because the mean of its divisors is an integer number (90502930).

Almost surely, 2^361448947 is an apocalyptic number.

361448947 is a deficient number, since it is larger than the sum of its proper divisors (562773).

361448947 is an equidigital number, since it uses as much as digits as its factorization.

361448947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562772.

The product of its digits is 580608, while the sum is 46.

The square root of 361448947 is about 19011.8107238632. The cubic root of 361448947 is about 712.3317814426.

The spelling of 361448947 in words is "three hundred sixty-one million, four hundred forty-eight thousand, nine hundred forty-seven".