6435090 has 48 divisors (see below), whose sum is σ = 16892928. Its totient is φ = 1699488.

The previous prime is 6435089. The next prime is 6435097. The reversal of 6435090 is 905346.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6435097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11149 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (351936).

Almost surely, 2^6435090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6435090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8446464).

6435090 is an abundant number, since it is smaller than the sum of its proper divisors (10457838).

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

6435090 is a wasteful number, since it uses less digits than its factorization.

6435090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 6435090 is about 2536.7479181030. The cubic root of 6435090 is about 186.0022545686.

The spelling of 6435090 in words is "six million, four hundred thirty-five thousand, ninety".