6247442 has 4 divisors (see below), whose sum is σ = 9371166. Its totient is φ = 3123720.

The previous prime is 6247433. The next prime is 6247453. The reversal of 6247442 is 2447426.

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., 5013121 + 1234321 = 2239^2 + 1111^2 .

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 as a sum of consecutive naturals, namely, 1561859 + ... + 1561862.

Almost surely, 2^6247442 is an apocalyptic number.

6247442 is a deficient number, since it is larger than the sum of its proper divisors (3123724).

6247442 is a wasteful number, since it uses less digits than its factorization.

6247442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123723.

The product of its digits is 10752, while the sum is 29.

The square root of 6247442 is about 2499.4883476424. The cubic root of 6247442 is about 184.1764414960.

The spelling of 6247442 in words is "six million, two hundred forty-seven thousand, four hundred forty-two".