6428290 has 16 divisors (see below), whose sum is σ = 12623040. Its totient is φ = 2337520.

The previous prime is 6428281. The next prime is 6428291. The reversal of 6428290 is 928246.

It is not an unprimeable number, because it can be changed into a prime (6428291) 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, 29110 + ... + 29329.

It is an arithmetic number, because the mean of its divisors is an integer number (788940).

Almost surely, 2^6428290 is an apocalyptic number.

6428290 is a deficient number, since it is larger than the sum of its proper divisors (6194750).

6428290 is a wasteful number, since it uses less digits than its factorization.

6428290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58457.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6428290 is about 2535.4072651154. The cubic root of 6428290 is about 185.9367148944.

The spelling of 6428290 in words is "six million, four hundred twenty-eight thousand, two hundred ninety".