3706620 has 48 divisors (see below), whose sum is σ = 10469760. Its totient is φ = 979776.

The previous prime is 3706609. The next prime is 3706621. The reversal of 3706620 is 266073.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3706621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9591 + ... + 9969.

It is an arithmetic number, because the mean of its divisors is an integer number (218120).

Almost surely, 2^3706620 is an apocalyptic number.

3706620 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 3706620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5234880).

3706620 is an abundant number, since it is smaller than the sum of its proper divisors (6763140).

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

3706620 is a wasteful number, since it uses less digits than its factorization.

3706620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 3706620 is about 1925.2584242122. The cubic root of 3706620 is about 154.7602258783.

The spelling of 3706620 in words is "three million, seven hundred six thousand, six hundred twenty".