42860404 has 24 divisors (see below), whose sum is σ = 76047048. Its totient is φ = 21135360.

The previous prime is 42860387. The next prime is 42860413. The reversal of 42860404 is 40406824.

It can be written as a sum of positive squares in 4 ways, for example, as 33872400 + 8988004 = 5820^2 + 2998^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166644 + ... + 166900.

It is an arithmetic number, because the mean of its divisors is an integer number (3168627).

Almost surely, 2^42860404 is an apocalyptic number.

It is an amenable number.

42860404 is a deficient number, since it is larger than the sum of its proper divisors (33186644).

42860404 is a wasteful number, since it uses less digits than its factorization.

42860404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 42860404 is about 6546.7857762417. The cubic root of 42860404 is about 349.9602784854.

It can be divided in two parts, 42860 and 404, that added together give a square (43264 = 208²).

The spelling of 42860404 in words is "forty-two million, eight hundred sixty thousand, four hundred four".