3649816962 has 128 divisors (see below), whose sum is σ = 9268715520. Its totient is φ = 1053803520.

The previous prime is 3649816927. The next prime is 3649816969. The reversal of 3649816962 is 2696189463.

3649816962 is a `hidden beast` number, since 36 + 498 + 1 + 69 + 62 = 666.

It is a super-2 number, since 2×3649816962² = 26642327712205818888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 3649816899 and 3649816908.

It is not an unprimeable number, because it can be changed into a prime (3649816969) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6325218 + ... + 6325794.

It is an arithmetic number, because the mean of its divisors is an integer number (72411840).

Almost surely, 2^3649816962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3649816962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4634357760).

3649816962 is an abundant number, since it is smaller than the sum of its proper divisors (5618898558).

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

3649816962 is a wasteful number, since it uses less digits than its factorization.

3649816962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1079 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 3649816962 is about 60413.7150157148. The cubic root of 3649816962 is about 1539.6559868565.

The spelling of 3649816962 in words is "three billion, six hundred forty-nine million, eight hundred sixteen thousand, nine hundred sixty-two".