2942547 has 8 divisors (see below), whose sum is σ = 4154256. Its totient is φ = 1846272.

The previous prime is 2942539. The next prime is 2942561. The reversal of 2942547 is 7452492.

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

It is not a de Polignac number, because 2942547 - 2³ = 2942539 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2944547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28798 + ... + 28899.

It is an arithmetic number, because the mean of its divisors is an integer number (519282).

2^2942547 is an apocalyptic number.

2942547 is a deficient number, since it is larger than the sum of its proper divisors (1211709).

2942547 is a wasteful number, since it uses less digits than its factorization.

2942547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57717.

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

The square root of 2942547 is about 1715.3853794410. The cubic root of 2942547 is about 143.2983322986.

The spelling of 2942547 in words is "two million, nine hundred forty-two thousand, five hundred forty-seven".