4049490 has 32 divisors (see below), whose sum is σ = 9771840. Its totient is φ = 1073984.

The previous prime is 4049483. The next prime is 4049497. The reversal of 4049490 is 949404.

It is an interprime number because it is at equal distance from previous prime (4049483) and next prime (4049497).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4049497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10216 + ... + 10604.

It is an arithmetic number, because the mean of its divisors is an integer number (305370).

Almost surely, 2^4049490 is an apocalyptic number.

4049490 is an abundant number, since it is smaller than the sum of its proper divisors (5722350).

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

4049490 is a wasteful number, since it uses less digits than its factorization.

4049490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4049490 is about 2012.3344652418. The cubic root of 4049490 is about 159.3920942833.

The spelling of 4049490 in words is "four million, forty-nine thousand, four hundred ninety".