42938910 has 80 divisors (see below), whose sum is σ = 131969376. Its totient is φ = 9813312.

The previous prime is 42938899. The next prime is 42938921. The reversal of 42938910 is 1983924.

42938910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42938899) and next prime (42938921).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1884 + ... + 9456.

Almost surely, 2^42938910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42938910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65984688).

42938910 is an abundant number, since it is smaller than the sum of its proper divisors (89030466).

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

42938910 is a wasteful number, since it uses less digits than its factorization.

42938910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599 (or 7590 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 42938910 is about 6552.7787998680. The cubic root of 42938910 is about 350.1738184252.

It can be divided in two parts, 4293 and 8910, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 42938910 in words is "forty-two million, nine hundred thirty-eight thousand, nine hundred ten".