3641976 has 64 divisors (see below), whose sum is σ = 10903200. Its totient is φ = 1119744.

The previous prime is 3641951. The next prime is 3641987. The reversal of 3641976 is 6791463.

3641976 is a `hidden beast` number, since 3 + 641 + 9 + 7 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3641976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160 + ... + 3456.

Almost surely, 2^3641976 is an apocalyptic number.

3641976 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 3641976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5451600).

3641976 is an abundant number, since it is smaller than the sum of its proper divisors (7261224).

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

3641976 is a wasteful number, since it uses less digits than its factorization.

3641976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1315 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 3641976 is about 1908.3961852823. The cubic root of 3641976 is about 153.8552640246.

The spelling of 3641976 in words is "three million, six hundred forty-one thousand, nine hundred seventy-six".