6345432 has 64 divisors (see below), whose sum is σ = 18252000. Its totient is φ = 2040192.

The previous prime is 6345431. The next prime is 6345439. The reversal of 6345432 is 2345436.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6345396 and 6345405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6345431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5758 + ... + 6770.

Almost surely, 2^6345432 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 6345432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9126000).

6345432 is an abundant number, since it is smaller than the sum of its proper divisors (11906568).

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

6345432 is a wasteful number, since it uses less digits than its factorization.

6345432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1047 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 6345432 is about 2519.0140928546. The cubic root of 6345432 is about 185.1343752238.

The spelling of 6345432 in words is "six million, three hundred forty-five thousand, four hundred thirty-two".