42829890 has 16 divisors (see below), whose sum is σ = 102791808. Its totient is φ = 11421296.

The previous prime is 42829823. The next prime is 42829907. The reversal of 42829890 is 9892824.

It is a Curzon 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, 713802 + ... + 713861.

It is an arithmetic number, because the mean of its divisors is an integer number (6424488).

Almost surely, 2^42829890 is an apocalyptic number.

42829890 is an abundant number, since it is smaller than the sum of its proper divisors (59961918).

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

42829890 is a wasteful number, since it uses less digits than its factorization.

42829890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427673.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 42829890 is about 6544.4549047266. The cubic root of 42829890 is about 349.8772086265.

The spelling of 42829890 in words is "forty-two million, eight hundred twenty-nine thousand, eight hundred ninety".