2947142 has 16 divisors (see below), whose sum is σ = 4870800. Its totient is φ = 1326240.

The previous prime is 2947127. The next prime is 2947157. The reversal of 2947142 is 2417492.

2947142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2947127) and next prime (2947157).

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1784 + ... + 3012.

It is an arithmetic number, because the mean of its divisors is an integer number (304425).

2^2947142 is an apocalyptic number.

2947142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2947142 is a deficient number, since it is larger than the sum of its proper divisors (1923658).

2947142 is a wasteful number, since it uses less digits than its factorization.

2947142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its digits is 4032, while the sum is 29.

The square root of 2947142 is about 1716.7242061554. The cubic root of 2947142 is about 143.3728837435.

The spelling of 2947142 in words is "two million, nine hundred forty-seven thousand, one hundred forty-two".