6412890 has 32 divisors (see below), whose sum is σ = 16790976. Its totient is φ = 1554560.

The previous prime is 6412873. The next prime is 6412897. The reversal of 6412890 is 982146.

It is a super-2 number, since 2×6412890² = 82250316304200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (6412897) 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, 9387 + ... + 10046.

It is an arithmetic number, because the mean of its divisors is an integer number (524718).

Almost surely, 2^6412890 is an apocalyptic number.

6412890 is an abundant number, since it is smaller than the sum of its proper divisors (10378086).

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

6412890 is a wasteful number, since it uses less digits than its factorization.

6412890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19454.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 6412890 is about 2532.3684566034. The cubic root of 6412890 is about 185.7881157565.

The spelling of 6412890 in words is "six million, four hundred twelve thousand, eight hundred ninety".