6455290 has 8 divisors (see below), whose sum is σ = 11619540. Its totient is φ = 2582112.

The previous prime is 6455263. The next prime is 6455297. The reversal of 6455290 is 925546.

It can be written as a sum of positive squares in 2 ways, for example, as 5851561 + 603729 = 2419^2 + 777^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6455297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322755 + ... + 322774.

Almost surely, 2^6455290 is an apocalyptic number.

6455290 is a deficient number, since it is larger than the sum of its proper divisors (5164250).

6455290 is a wasteful number, since it uses less digits than its factorization.

6455290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645536.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 6455290 is about 2540.7262741193. The cubic root of 6455290 is about 186.1966740718.

The spelling of 6455290 in words is "six million, four hundred fifty-five thousand, two hundred ninety".