4649478 has 16 divisors (see below), whose sum is σ = 9475056. Its totient is φ = 1520480.

The previous prime is 4649467. The next prime is 4649497. The reversal of 4649478 is 8749464.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6993 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (592191).

Almost surely, 2^4649478 is an apocalyptic number.

4649478 is an abundant number, since it is smaller than the sum of its proper divisors (4825578).

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

4649478 is a wasteful number, since it uses less digits than its factorization.

4649478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14679.

The product of its digits is 193536, while the sum is 42.

The square root of 4649478 is about 2156.2648260360. The cubic root of 4649478 is about 166.9045075400.

It can be divided in two parts, 4649 and 478, that multiplied together give a palindrome (2222222).

The spelling of 4649478 in words is "four million, six hundred forty-nine thousand, four hundred seventy-eight".