42789246 has 32 divisors (see below), whose sum is σ = 89676288. Its totient is φ = 13585440.

The previous prime is 42789211. The next prime is 42789247. The reversal of 42789246 is 64298724.

It is a junction number, because it is equal to n+sod(n) for n = 42789198 and 42789207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42789247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42420 + ... + 43416.

It is an arithmetic number, because the mean of its divisors is an integer number (2802384).

Almost surely, 2^42789246 is an apocalyptic number.

42789246 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42789246 is an abundant number, since it is smaller than the sum of its proper divisors (46887042).

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

42789246 is a wasteful number, since it uses less digits than its factorization.

42789246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its digits is 193536, while the sum is 42.

The square root of 42789246 is about 6541.3489434520. The cubic root of 42789246 is about 349.7665000392.

The spelling of 42789246 in words is "forty-two million, seven hundred eighty-nine thousand, two hundred forty-six".