3142738 has 8 divisors (see below), whose sum is σ = 4729932. Its totient is φ = 1566096.

The previous prime is 3142729. The next prime is 3142747. The reversal of 3142738 is 8372413.

It is an interprime number because it is at equal distance from previous prime (3142729) and next prime (3142747).

It can be written as a sum of positive squares in 2 ways, for example, as 3122289 + 20449 = 1767^2 + 143^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845 + ... + 3112.

Almost surely, 2^3142738 is an apocalyptic number.

3142738 is a deficient number, since it is larger than the sum of its proper divisors (1587194).

3142738 is a wasteful number, since it uses less digits than its factorization.

3142738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276.

The product of its digits is 4032, while the sum is 28.

The square root of 3142738 is about 1772.7769177198. The cubic root of 3142738 is about 146.4769850507.

The spelling of 3142738 in words is "three million, one hundred forty-two thousand, seven hundred thirty-eight".