42286990 has 32 divisors (see below), whose sum is σ = 82573344. Its totient is φ = 15528960.

The previous prime is 42286957. The next prime is 42287009. The reversal of 42286990 is 9968224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3937 + ... + 10003.

It is an arithmetic number, because the mean of its divisors is an integer number (2580417).

Almost surely, 2^42286990 is an apocalyptic number.

42286990 is a deficient number, since it is larger than the sum of its proper divisors (40286354).

42286990 is a wasteful number, since it uses less digits than its factorization.

42286990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 42286990 is about 6502.8447621022. The cubic root of 42286990 is about 348.3926020092.

The spelling of 42286990 in words is "forty-two million, two hundred eighty-six thousand, nine hundred ninety".