4621642 has 8 divisors (see below), whose sum is σ = 6942276. Its totient is φ = 2307552.

The previous prime is 4621621. The next prime is 4621649. The reversal of 4621642 is 2461264.

It can be written as a sum of positive squares in 2 ways, for example, as 3721041 + 900601 = 1929^2 + 949^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4621649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948 + ... + 3184.

Almost surely, 2^4621642 is an apocalyptic number.

4621642 is a deficient number, since it is larger than the sum of its proper divisors (2320634).

4621642 is a wasteful number, since it uses less digits than its factorization.

4621642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272.

The product of its digits is 2304, while the sum is 25.

The square root of 4621642 is about 2149.8004558563. The cubic root of 4621642 is about 166.5707599331.

The spelling of 4621642 in words is "four million, six hundred twenty-one thousand, six hundred forty-two".