5402432 has 56 divisors (see below), whose sum is σ = 12679680. Its totient is φ = 2234880.

The previous prime is 5402431. The next prime is 5402437. The reversal of 5402432 is 2342045.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13694 + ... + 14082.

Almost surely, 2^5402432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5402432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6339840).

5402432 is an abundant number, since it is smaller than the sum of its proper divisors (7277248).

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

5402432 is a wasteful number, since it uses less digits than its factorization.

5402432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 5402432 is about 2324.3132319031. The cubic root of 5402432 is about 175.4673981589.

Adding to 5402432 its reverse (2342045), we get a palindrome (7744477).

The spelling of 5402432 in words is "five million, four hundred two thousand, four hundred thirty-two".