6450890 has 16 divisors (see below), whose sum is σ = 11726208. Its totient is φ = 2554896.

The previous prime is 6450881. The next prime is 6450893. The reversal of 6450890 is 980546.

It is a super-2 number, since 2×6450890² = 83227963584200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6450893) 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, 2102 + ... + 4161.

It is an arithmetic number, because the mean of its divisors is an integer number (732888).

Almost surely, 2^6450890 is an apocalyptic number.

6450890 is a deficient number, since it is larger than the sum of its proper divisors (5275318).

6450890 is a wasteful number, since it uses less digits than its factorization.

6450890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6450890 is about 2539.8602323750. The cubic root of 6450890 is about 186.1543598574.

The spelling of 6450890 in words is "six million, four hundred fifty thousand, eight hundred ninety".