3641634 has 24 divisors (see below), whose sum is σ = 7927920. Its totient is φ = 1208088.

The previous prime is 3641633. The next prime is 3641641. The reversal of 3641634 is 4361463.

It is a super-2 number, since 2×3641634² = 26522996379912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3641598 and 3641607.

It is not an unprimeable number, because it can be changed into a prime (3641633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5197 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (330330).

Almost surely, 2^3641634 is an apocalyptic number.

3641634 is an abundant number, since it is smaller than the sum of its proper divisors (4286286).

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

3641634 is a wasteful number, since it uses less digits than its factorization.

3641634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 971 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 3641634 is about 1908.3065791429. The cubic root of 3641634 is about 153.8504479442.

The spelling of 3641634 in words is "three million, six hundred forty-one thousand, six hundred thirty-four".