3667620 has 48 divisors (see below), whose sum is σ = 11204928. Its totient is φ = 888960.

The previous prime is 3667591. The next prime is 3667621. The reversal of 3667620 is 267663.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (3667621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119 + ... + 3438.

It is an arithmetic number, because the mean of its divisors is an integer number (233436).

Almost surely, 2^3667620 is an apocalyptic number.

3667620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3667620 is an abundant number, since it is smaller than the sum of its proper divisors (7537308).

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

3667620 is a wasteful number, since it uses less digits than its factorization.

3667620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580 (or 5578 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 3667620 is about 1915.1031303823. The cubic root of 3667620 is about 154.2155300025.

The spelling of 3667620 in words is "three million, six hundred sixty-seven thousand, six hundred twenty".