4646438 has 8 divisors (see below), whose sum is σ = 7210080. Its totient is φ = 2243080.

The previous prime is 4646429. The next prime is 4646459. The reversal of 4646438 is 8346464.

It is a happy number.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4646398 and 4646407.

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 in 3 ways as a sum of consecutive naturals, for example, 39998 + ... + 40113.

It is an arithmetic number, because the mean of its divisors is an integer number (901260).

Almost surely, 2^4646438 is an apocalyptic number.

4646438 is a deficient number, since it is larger than the sum of its proper divisors (2563642).

4646438 is a wasteful number, since it uses less digits than its factorization.

4646438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80142.

The product of its digits is 55296, while the sum is 35.

The square root of 4646438 is about 2155.5597880829. The cubic root of 4646438 is about 166.8681235039.

The spelling of 4646438 in words is "four million, six hundred forty-six thousand, four hundred thirty-eight".