6490949 has 8 divisors (see below), whose sum is σ = 6671448. Its totient is φ = 6312960.

The previous prime is 6490943. The next prime is 6490961. The reversal of 6490949 is 9490946.

It can be written as a sum of positive squares in 4 ways, for example, as 13924 + 6477025 = 118^2 + 2545^2 .

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 6490949 - 2¹⁶ = 6425413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490943) 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, 5369 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (833931).

Almost surely, 2^6490949 is an apocalyptic number.

It is an amenable number.

6490949 is a deficient number, since it is larger than the sum of its proper divisors (180499).

6490949 is a wasteful number, since it uses less digits than its factorization.

6490949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 6490949 is about 2547.7340913054. The cubic root of 6490949 is about 186.5388946329.

The spelling of 6490949 in words is "six million, four hundred ninety thousand, nine hundred forty-nine".