3620197836 has 18 divisors (see below), whose sum is σ = 9151055732. Its totient is φ = 1206732600.

The previous prime is 3620197829. The next prime is 3620197859. The reversal of 3620197836 is 6387910263.

3620197836 is a `hidden beast` number, since 3 + 620 + 19 + 7 + 8 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 3620197791 and 3620197800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50280490 + ... + 50280561.

Almost surely, 2^3620197836 is an apocalyptic number.

3620197836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3620197836 is an abundant number, since it is smaller than the sum of its proper divisors (5530857896).

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

3620197836 is a wasteful number, since it uses less digits than its factorization.

3620197836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100561061 (or 100561056 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 3620197836 is about 60168.0798762932. The cubic root of 3620197836 is about 1535.4797788659.

The spelling of 3620197836 in words is "three billion, six hundred twenty million, one hundred ninety-seven thousand, eight hundred thirty-six".