6462889 has 8 divisors (see below), whose sum is σ = 6640200. Its totient is φ = 6288000.

The previous prime is 6462881. The next prime is 6462893. The reversal of 6462889 is 9882646.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2190400 + 4272489 = 1480^2 + 2067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6462889 - 2³ = 6462881 is a prime.

It is a d-powerful number, because it can be written as 6³ + 4³ + 6⁸ + 2³ + 8 + 8 + 9⁷ .

It is a Duffinian number.

6462889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6462881) 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, 5637 + ... + 6685.

It is an arithmetic number, because the mean of its divisors is an integer number (830025).

Almost surely, 2^6462889 is an apocalyptic number.

It is an amenable number.

6462889 is a deficient number, since it is larger than the sum of its proper divisors (177311).

6462889 is a wasteful number, since it uses less digits than its factorization.

6462889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211.

The product of its digits is 165888, while the sum is 43.

The square root of 6462889 is about 2542.2212728242. The cubic root of 6462889 is about 186.2697073872.

The spelling of 6462889 in words is "six million, four hundred sixty-two thousand, eight hundred eighty-nine".