3665376 has 144 divisors (see below), whose sum is σ = 12383280. Its totient is φ = 1013760.

The previous prime is 3665371. The next prime is 3665377. The reversal of 3665376 is 6735663.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3665376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41140 + ... + 41228.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

Almost surely, 2^3665376 is an apocalyptic number.

3665376 is a gapful number since it is divisible by the number (36) 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 3665376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6191640).

3665376 is an abundant number, since it is smaller than the sum of its proper divisors (8717904).

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

3665376 is a wasteful number, since it uses less digits than its factorization.

3665376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 118 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 3665376 is about 1914.5171715083. The cubic root of 3665376 is about 154.1840717952.

The spelling of 3665376 in words is "three million, six hundred sixty-five thousand, three hundred seventy-six".