42820892 has 24 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 19658240.

The previous prime is 42820891. The next prime is 42820903. The reversal of 42820892 is 29802824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42820891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4892 + ... + 10467.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^42820892 is an apocalyptic number.

It is an amenable number.

42820892 is a deficient number, since it is larger than the sum of its proper divisors (38464228).

42820892 is a wasteful number, since it uses less digits than its factorization.

42820892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15421 (or 15419 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 42820892 is about 6543.7674164047. The cubic root of 42820892 is about 349.8527053679.

The spelling of 42820892 in words is "forty-two million, eight hundred twenty thousand, eight hundred ninety-two".