4029534 has 32 divisors (see below), whose sum is σ = 9089280. Its totient is φ = 1323000.

The previous prime is 4029517. The next prime is 4029541. The reversal of 4029534 is 4359204.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4029498 and 4029507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3309 + ... + 4359.

It is an arithmetic number, because the mean of its divisors is an integer number (284040).

Almost surely, 2^4029534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4029534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4544640).

4029534 is an abundant number, since it is smaller than the sum of its proper divisors (5059746).

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

4029534 is a wasteful number, since it uses less digits than its factorization.

4029534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4029534 is about 2007.3699210659. The cubic root of 4029534 is about 159.1298334343.

The spelling of 4029534 in words is "four million, twenty-nine thousand, five hundred thirty-four".