42286620 has 24 divisors (see below), whose sum is σ = 118402704. Its totient is φ = 11276416.

The previous prime is 42286619. The next prime is 42286631. The reversal of 42286620 is 2668224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352329 + ... + 352448.

It is an arithmetic number, because the mean of its divisors is an integer number (4933446).

Almost surely, 2^42286620 is an apocalyptic number.

It is an amenable number.

42286620 is an abundant number, since it is smaller than the sum of its proper divisors (76116084).

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

42286620 is a wasteful number, since it uses less digits than its factorization.

42286620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704789 (or 704787 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 42286620 is about 6502.8163129524. The cubic root of 42286620 is about 348.3915858918.

The spelling of 42286620 in words is "forty-two million, two hundred eighty-six thousand, six hundred twenty".