42984415 has 24 divisors (see below), whose sum is σ = 55436832. Its totient is φ = 31987200.

The previous prime is 42984413. The next prime is 42984421. The reversal of 42984415 is 51448924.

It is not a de Polignac number, because 42984415 - 2¹ = 42984413 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42984413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218097 + ... + 218293.

It is an arithmetic number, because the mean of its divisors is an integer number (2309868).

Almost surely, 2^42984415 is an apocalyptic number.

42984415 is a deficient number, since it is larger than the sum of its proper divisors (12452417).

42984415 is a wasteful number, since it uses less digits than its factorization.

42984415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 370 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 42984415 is about 6556.2500714967. The cubic root of 42984415 is about 350.2974749870.

The spelling of 42984415 in words is "forty-two million, nine hundred eighty-four thousand, four hundred fifteen".