3490478 has 4 divisors (see below), whose sum is σ = 5235720. Its totient is φ = 1745238.

The previous prime is 3490463. The next prime is 3490483. The reversal of 3490478 is 8740943.

3490478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8740943 = 23 ⋅380041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872618 + ... + 872621.

It is an arithmetic number, because the mean of its divisors is an integer number (1308930).

Almost surely, 2^3490478 is an apocalyptic number.

3490478 is a deficient number, since it is larger than the sum of its proper divisors (1745242).

3490478 is a wasteful number, since it uses less digits than its factorization.

3490478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745241.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3490478 is about 1868.2820986136. The cubic root of 3490478 is about 151.6916359218.

The spelling of 3490478 in words is "three million, four hundred ninety thousand, four hundred seventy-eight".