6403038 has 16 divisors (see below), whose sum is σ = 13480320. Its totient is φ = 2021976.

The previous prime is 6403031. The next prime is 6403051. The reversal of 6403038 is 8303046.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6402999 and 6403017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403031) 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, 27970 + ... + 28197.

It is an arithmetic number, because the mean of its divisors is an integer number (842520).

Almost surely, 2^6403038 is an apocalyptic number.

6403038 is an abundant number, since it is smaller than the sum of its proper divisors (7077282).

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

6403038 is a wasteful number, since it uses less digits than its factorization.

6403038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56191.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6403038 is about 2530.4224943673. The cubic root of 6403038 is about 185.6929260867.

The spelling of 6403038 in words is "six million, four hundred three thousand, thirty-eight".