4921442 has 4 divisors (see below), whose sum is σ = 7382166. Its totient is φ = 2460720.

The previous prime is 4921429. The next prime is 4921447. The reversal of 4921442 is 2441294.

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

It can be written as a sum of positive squares in only one way, i.e., 4583881 + 337561 = 2141^2 + 581^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4921447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230359 + ... + 1230362.

Almost surely, 2^4921442 is an apocalyptic number.

4921442 is a deficient number, since it is larger than the sum of its proper divisors (2460724).

4921442 is a wasteful number, since it uses less digits than its factorization.

4921442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460723.

The product of its digits is 2304, while the sum is 26.

The square root of 4921442 is about 2218.4323293714. The cubic root of 4921442 is about 170.0973145250.

The spelling of 4921442 in words is "four million, nine hundred twenty-one thousand, four hundred forty-two".