4042534 has 8 divisors (see below), whose sum is σ = 6089688. Its totient is φ = 2012640.

The previous prime is 4042523. The next prime is 4042543. The reversal of 4042534 is 4352404.

It is a happy number.

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

It is a super-2 number, since 2×4042534² = 32684162282312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3712 + ... + 4675.

It is an arithmetic number, because the mean of its divisors is an integer number (761211).

Almost surely, 2^4042534 is an apocalyptic number.

4042534 is a deficient number, since it is larger than the sum of its proper divisors (2047154).

4042534 is a wasteful number, since it uses less digits than its factorization.

4042534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4042534 is about 2010.6053814710. The cubic root of 4042534 is about 159.3007768701.

Adding to 4042534 its reverse (4352404), we get a palindrome (8394938).

The spelling of 4042534 in words is "four million, forty-two thousand, five hundred thirty-four".