42861902 has 16 divisors (see below), whose sum is σ = 66637824. Its totient is φ = 20655000.

The previous prime is 42861893. The next prime is 42861911. The reversal of 42861902 is 20916824.

It is an interprime number because it is at equal distance from previous prime (42861893) and next prime (42861911).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15527 + ... + 18077.

It is an arithmetic number, because the mean of its divisors is an integer number (4164864).

Almost surely, 2^42861902 is an apocalyptic number.

42861902 is a deficient number, since it is larger than the sum of its proper divisors (23775922).

42861902 is a wasteful number, since it uses less digits than its factorization.

42861902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 42861902 is about 6546.9001825291. The cubic root of 42861902 is about 349.9643555537.

The spelling of 42861902 in words is "forty-two million, eight hundred sixty-one thousand, nine hundred two".