361723420 has 48 divisors (see below), whose sum is σ = 770880096. Its totient is φ = 142560000.

The previous prime is 361723403. The next prime is 361723457. The reversal of 361723420 is 24327163.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668350 + ... + 668890.

It is an arithmetic number, because the mean of its divisors is an integer number (16060002).

Almost surely, 2^361723420 is an apocalyptic number.

It is an amenable number.

361723420 is an abundant number, since it is smaller than the sum of its proper divisors (409156676).

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

361723420 is a wasteful number, since it uses less digits than its factorization.

361723420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 361723420 is about 19019.0278405601. The cubic root of 361723420 is about 712.5120432970.

The spelling of 361723420 in words is "three hundred sixty-one million, seven hundred twenty-three thousand, four hundred twenty".