361223412 has 96 divisors (see below), whose sum is σ = 978687360. Its totient is φ = 102837760.

The previous prime is 361223411. The next prime is 361223417. The reversal of 361223412 is 214322163.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361223411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648238 + ... + 648794.

It is an arithmetic number, because the mean of its divisors is an integer number (10194660).

Almost surely, 2^361223412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361223412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489343680).

361223412 is an abundant number, since it is smaller than the sum of its proper divisors (617463948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

361223412 is a wasteful number, since it uses less digits than its factorization.

361223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 590 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 361223412 is about 19005.8783538146. The cubic root of 361223412 is about 712.1835916117.

Adding to 361223412 its reverse (214322163), we get a palindrome (575545575).

The spelling of 361223412 in words is "three hundred sixty-one million, two hundred twenty-three thousand, four hundred twelve".