3621813234 has 32 divisors (see below), whose sum is σ = 7910711424. Its totient is φ = 1098706560.

The previous prime is 3621813137. The next prime is 3621813253. The reversal of 3621813234 is 4323181263.

It is a super-2 number, since 2×3621813234² = 26235062203955077512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3621813195 and 3621813204.

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, 321459 + ... + 332534.

It is an arithmetic number, because the mean of its divisors is an integer number (247209732).

Almost surely, 2^3621813234 is an apocalyptic number.

3621813234 is an abundant number, since it is smaller than the sum of its proper divisors (4288898190).

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

3621813234 is a wasteful number, since it uses less digits than its factorization.

3621813234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654082.

The product of its digits is 20736, while the sum is 33.

The square root of 3621813234 is about 60181.5024239176. The cubic root of 3621813234 is about 1535.7081312224.

Adding to 3621813234 its reverse (4323181263), we get a palindrome (7944994497).

The spelling of 3621813234 in words is "three billion, six hundred twenty-one million, eight hundred thirteen thousand, two hundred thirty-four".