42984764 has 12 divisors (see below), whose sum is σ = 79182600. Its totient is φ = 20361168.

The previous prime is 42984763. The next prime is 42984797. The reversal of 42984764 is 46748924.

It is a super-2 number, since 2×42984764² = 3695379872271392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42984763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282719 + ... + 282870.

It is an arithmetic number, because the mean of its divisors is an integer number (6598550).

Almost surely, 2^42984764 is an apocalyptic number.

It is an amenable number.

42984764 is a deficient number, since it is larger than the sum of its proper divisors (36197836).

42984764 is a wasteful number, since it uses less digits than its factorization.

42984764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565612 (or 565610 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 42984764 is about 6556.2766872669. The cubic root of 42984764 is about 350.2984230321.

The spelling of 42984764 in words is "forty-two million, nine hundred eighty-four thousand, seven hundred sixty-four".