36311620 has 24 divisors (see below), whose sum is σ = 76999104. Its totient is φ = 14382816.

The previous prime is 36311591. The next prime is 36311647. The reversal of 36311620 is 2611363.

It is a junction number, because it is equal to n+sod(n) for n = 36311591 and 36311600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6754 + ... + 10873.

It is an arithmetic number, because the mean of its divisors is an integer number (3208296).

Almost surely, 2^36311620 is an apocalyptic number.

It is an amenable number.

36311620 is an abundant number, since it is smaller than the sum of its proper divisors (40687484).

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

36311620 is a wasteful number, since it uses less digits than its factorization.

36311620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17739 (or 17737 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 36311620 is about 6025.9123790510. The cubic root of 36311620 is about 331.1427173642.

Adding to 36311620 its reverse (2611363), we get a palindrome (38922983).

It can be divided in two parts, 363 and 11620, that multiplied together give a triangular number (4218060 = T₂₉₀₄).

The spelling of 36311620 in words is "thirty-six million, three hundred eleven thousand, six hundred twenty".