4249478 has 8 divisors (see below), whose sum is σ = 6430968. Its totient is φ = 2105824.

The previous prime is 4249477. The next prime is 4249481. The reversal of 4249478 is 8749424.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249477) 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, 9176 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (803871).

Almost surely, 2^4249478 is an apocalyptic number.

4249478 is a deficient number, since it is larger than the sum of its proper divisors (2181490).

4249478 is a wasteful number, since it uses less digits than its factorization.

4249478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18918.

The product of its digits is 64512, while the sum is 38.

The square root of 4249478 is about 2061.4262053248. The cubic root of 4249478 is about 161.9739581164.

The spelling of 4249478 in words is "four million, two hundred forty-nine thousand, four hundred seventy-eight".