4290478 has 4 divisors (see below), whose sum is σ = 6435720. Its totient is φ = 2145238.

The previous prime is 4290469. The next prime is 4290487. The reversal of 4290478 is 8740924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4290469) and next prime (4290487).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072618 + ... + 1072621.

It is an arithmetic number, because the mean of its divisors is an integer number (1608930).

Almost surely, 2^4290478 is an apocalyptic number.

4290478 is a deficient number, since it is larger than the sum of its proper divisors (2145242).

4290478 is a wasteful number, since it uses less digits than its factorization.

4290478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145241.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4290478 is about 2071.3469047941. The cubic root of 4290478 is about 162.4932131288.

The spelling of 4290478 in words is "four million, two hundred ninety thousand, four hundred seventy-eight".