4649490 has 48 divisors (see below), whose sum is σ = 12729600. Its totient is φ = 1174176.

The previous prime is 4649467. The next prime is 4649497. The reversal of 4649490 is 949464.

4649490 is a `hidden beast` number, since 4 + 649 + 4 + 9 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (4649497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351 + ... + 3069.

It is an arithmetic number, because the mean of its divisors is an integer number (265200).

Almost surely, 2^4649490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4649490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6364800).

4649490 is an abundant number, since it is smaller than the sum of its proper divisors (8080110).

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

4649490 is a wasteful number, since it uses less digits than its factorization.

4649490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4649490 is about 2156.2676086238. The cubic root of 4649490 is about 166.9046511297.

The spelling of 4649490 in words is "four million, six hundred forty-nine thousand, four hundred ninety".