3148742 has 4 divisors (see below), whose sum is σ = 4723116. Its totient is φ = 1574370.

The previous prime is 3148741. The next prime is 3148751. The reversal of 3148742 is 2478413.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3148741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 787184 + ... + 787187.

It is an arithmetic number, because the mean of its divisors is an integer number (1180779).

Almost surely, 2^3148742 is an apocalyptic number.

3148742 is a deficient number, since it is larger than the sum of its proper divisors (1574374).

3148742 is a wasteful number, since it uses less digits than its factorization.

3148742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574373.

The product of its digits is 5376, while the sum is 29.

The square root of 3148742 is about 1774.4694981881. The cubic root of 3148742 is about 146.5702040176.

The spelling of 3148742 in words is "three million, one hundred forty-eight thousand, seven hundred forty-two".