3616920 has 128 divisors (see below), whose sum is σ = 12830400. Its totient is φ = 903168.

The previous prime is 3616913. The next prime is 3616933. The reversal of 3616920 is 296163.

It is a happy number.

It is a super-2 number, since 2×3616920² = 26164220572800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18262 + ... + 18458.

Almost surely, 2^3616920 is an apocalyptic number.

3616920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3616920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6415200).

3616920 is an abundant number, since it is smaller than the sum of its proper divisors (9213480).

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

3616920 is a wasteful number, since it uses less digits than its factorization.

3616920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3616920 is about 1901.8201807742. The cubic root of 3616920 is about 153.5016215739.

The spelling of 3616920 in words is "three million, six hundred sixteen thousand, nine hundred twenty".