2663934 has 96 divisors (see below), whose sum is σ = 7239456. Its totient is φ = 645120.

The previous prime is 2663897. The next prime is 2663953. The reversal of 2663934 is 4393662.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2663895 and 2663904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64954 + ... + 64994.

It is an arithmetic number, because the mean of its divisors is an integer number (75411).

2^2663934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2663934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3619728).

2663934 is an abundant number, since it is smaller than the sum of its proper divisors (4575522).

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

2663934 is a wasteful number, since it uses less digits than its factorization.

2663934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 83 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 2663934 is about 1632.1562425209. The cubic root of 2663934 is about 138.6248705497.

The spelling of 2663934 in words is "two million, six hundred sixty-three thousand, nine hundred thirty-four".