2947534 has 4 divisors (see below), whose sum is σ = 4421304. Its totient is φ = 1473766.

The previous prime is 2947523. The next prime is 2947537. The reversal of 2947534 is 4357492.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2947534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736882 + ... + 736885.

It is an arithmetic number, because the mean of its divisors is an integer number (1105326).

2^2947534 is an apocalyptic number.

2947534 is a deficient number, since it is larger than the sum of its proper divisors (1473770).

2947534 is a wasteful number, since it uses less digits than its factorization.

2947534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473769.

The product of its digits is 30240, while the sum is 34.

The square root of 2947534 is about 1716.8383732897. The cubic root of 2947534 is about 143.3792401479.

It can be divided in two parts, 2947 and 534, that added together give a square (3481 = 59²).

The spelling of 2947534 in words is "two million, nine hundred forty-seven thousand, five hundred thirty-four".