42800829 has 4 divisors (see below), whose sum is σ = 57067776. Its totient is φ = 28533884.

The previous prime is 42800827. The next prime is 42800831. The reversal of 42800829 is 92800824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (42800827) and next prime (42800831).

It is a cyclic number.

It is not a de Polignac number, because 42800829 - 2¹ = 42800827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42800829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42800827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7133469 + ... + 7133474.

It is an arithmetic number, because the mean of its divisors is an integer number (14266944).

Almost surely, 2^42800829 is an apocalyptic number.

It is an amenable number.

42800829 is a deficient number, since it is larger than the sum of its proper divisors (14266947).

42800829 is a wasteful number, since it uses less digits than its factorization.

42800829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14266946.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 42800829 is about 6542.2342513854. The cubic root of 42800829 is about 349.7980576558.

The spelling of 42800829 in words is "forty-two million, eight hundred thousand, eight hundred twenty-nine".