361421804 has 12 divisors (see below), whose sum is σ = 632625000. Its totient is φ = 180671808.

The previous prime is 361421779. The next prime is 361421813. The reversal of 361421804 is 408124163.

361421804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×361421804² = 261251440813228832, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 23972 + ... + 36020.

It is an arithmetic number, because the mean of its divisors is an integer number (52718750).

Almost surely, 2^361421804 is an apocalyptic number.

It is an amenable number.

361421804 is a deficient number, since it is larger than the sum of its proper divisors (271203196).

361421804 is a wasteful number, since it uses less digits than its factorization.

361421804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19552 (or 19550 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 361421804 is about 19011.0968647261. The cubic root of 361421804 is about 712.3139501502.

Adding to 361421804 its reverse (408124163), we get a palindrome (769545967).

The spelling of 361421804 in words is "three hundred sixty-one million, four hundred twenty-one thousand, eight hundred four".