4091632 has 20 divisors (see below), whose sum is σ = 8097696. Its totient is φ = 2001920.

The previous prime is 4091627. The next prime is 4091657. The reversal of 4091632 is 2361904.

It is a junction number, because it is equal to n+sod(n) for n = 4091597 and 4091606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1969 + ... + 3472.

Almost surely, 2^4091632 is an apocalyptic number.

It is an amenable number.

4091632 is a deficient number, since it is larger than the sum of its proper divisors (4006064).

4091632 is a wasteful number, since it uses less digits than its factorization.

4091632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496 (or 5490 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 4091632 is about 2022.7782874057. The cubic root of 4091632 is about 159.9431047707.

The spelling of 4091632 in words is "four million, ninety-one thousand, six hundred thirty-two".