41687646 has 96 divisors (see below), whose sum is σ = 112971264. Its totient is φ = 9979200.

The previous prime is 41687617. The next prime is 41687651. The reversal of 41687646 is 64678614.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 41687598 and 41687607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65751 + ... + 66381.

It is an arithmetic number, because the mean of its divisors is an integer number (1176784).

Almost surely, 2^41687646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41687646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56485632).

41687646 is an abundant number, since it is smaller than the sum of its proper divisors (71283618).

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

41687646 is a wasteful number, since it uses less digits than its factorization.

41687646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 667 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 41687646 is about 6456.5970913477. The cubic root of 41687646 is about 346.7388124418.

The spelling of 41687646 in words is "forty-one million, six hundred eighty-seven thousand, six hundred forty-six".