34821142 has 16 divisors (see below), whose sum is σ = 53765712. Its totient is φ = 16904160.

The previous prime is 34821139. The next prime is 34821191. The reversal of 34821142 is 24112843.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14448 + ... + 16684.

It is an arithmetic number, because the mean of its divisors is an integer number (3360357).

Almost surely, 2^34821142 is an apocalyptic number.

34821142 is a deficient number, since it is larger than the sum of its proper divisors (18944570).

34821142 is a wasteful number, since it uses less digits than its factorization.

34821142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463.

The product of its digits is 1536, while the sum is 25.

The square root of 34821142 is about 5900.9441617423. The cubic root of 34821142 is about 326.5484826305.

Adding to 34821142 its reverse (24112843), we get a palindrome (58933985).

It can be divided in two parts, 3482 and 1142, that added together give a square (4624 = 68²).

The spelling of 34821142 in words is "thirty-four million, eight hundred twenty-one thousand, one hundred forty-two".