42867384 has 128 divisors (see below), whose sum is σ = 128563200. Its totient is φ = 11658240.

The previous prime is 42867379. The next prime is 42867403. The reversal of 42867384 is 48376824.

It is a super-2 number, since 2×42867384² = 3675225222006912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481612 + ... + 481700.

It is an arithmetic number, because the mean of its divisors is an integer number (1004400).

Almost surely, 2^42867384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42867384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64281600).

42867384 is an abundant number, since it is smaller than the sum of its proper divisors (85695816).

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

42867384 is a wasteful number, since it uses less digits than its factorization.

42867384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 209 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 42867384 is about 6547.3188405637. The cubic root of 42867384 is about 349.9792749633.

The spelling of 42867384 in words is "forty-two million, eight hundred sixty-seven thousand, three hundred eighty-four".