5405634 has 36 divisors (see below), whose sum is σ = 12689586. Its totient is φ = 1662336.

The previous prime is 5405599. The next prime is 5405641. The reversal of 5405634 is 4365045.

5405634 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2732409 + 2673225 = 1653^2 + 1635^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5405598 and 5405607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2154 + ... + 3930.

Almost surely, 2^5405634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5405634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6344793).

5405634 is an abundant number, since it is smaller than the sum of its proper divisors (7283952).

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

5405634 is a wasteful number, since it uses less digits than its factorization.

5405634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 5405634 is about 2325.0019354831. The cubic root of 5405634 is about 175.5020575890.

The spelling of 5405634 in words is "five million, four hundred five thousand, six hundred thirty-four".