2947542 has 64 divisors (see below), whose sum is σ = 6967296. Its totient is φ = 823680.

The previous prime is 2947541. The next prime is 2947547. The reversal of 2947542 is 2457492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55588 + ... + 55640.

It is an arithmetic number, because the mean of its divisors is an integer number (108864).

2^2947542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2947542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3483648).

2947542 is an abundant number, since it is smaller than the sum of its proper divisors (4019754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2947542 is a wasteful number, since it uses less digits than its factorization.

2947542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125.

The product of its digits is 20160, while the sum is 33.

The square root of 2947542 is about 1716.8407031522. The cubic root of 2947542 is about 143.3793698645.

The spelling of 2947542 in words is "two million, nine hundred forty-seven thousand, five hundred forty-two".