4206478 has 4 divisors (see below), whose sum is σ = 6309720. Its totient is φ = 2103238.

The previous prime is 4206473. The next prime is 4206481. The reversal of 4206478 is 8746024.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4206473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051618 + ... + 1051621.

It is an arithmetic number, because the mean of its divisors is an integer number (1577430).

Almost surely, 2^4206478 is an apocalyptic number.

4206478 is a deficient number, since it is larger than the sum of its proper divisors (2103242).

4206478 is a wasteful number, since it uses less digits than its factorization.

4206478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103241.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 4206478 is about 2050.9700144078. The cubic root of 4206478 is about 161.4257727121.

The spelling of 4206478 in words is "four million, two hundred six thousand, four hundred seventy-eight".