42861430 has 16 divisors (see below), whose sum is σ = 77364144. Its totient is φ = 17097120.

The previous prime is 42861389. The next prime is 42861431. The reversal of 42861430 is 3416824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42861431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016 + ... + 9475.

It is an arithmetic number, because the mean of its divisors is an integer number (4835259).

Almost surely, 2^42861430 is an apocalyptic number.

42861430 is a deficient number, since it is larger than the sum of its proper divisors (34502714).

42861430 is a wasteful number, since it uses less digits than its factorization.

42861430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 42861430 is about 6546.8641348359. The cubic root of 42861430 is about 349.9630709336.

It can be divided in two parts, 4 and 2861430, that multiplied together give a triangular number (11445720 = T₄₇₈₄).

The spelling of 42861430 in words is "forty-two million, eight hundred sixty-one thousand, four hundred thirty".