42841830 has 32 divisors (see below), whose sum is σ = 103055328. Its totient is φ = 11398400.

The previous prime is 42841811. The next prime is 42841849. The reversal of 42841830 is 3814824.

It is an interprime number because it is at equal distance from previous prime (42841811) and next prime (42841849).

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 15 ways as a sum of consecutive naturals, for example, 14260 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (3220479).

Almost surely, 2^42841830 is an apocalyptic number.

42841830 is an abundant number, since it is smaller than the sum of its proper divisors (60213498).

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

42841830 is a wasteful number, since it uses less digits than its factorization.

42841830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 42841830 is about 6545.3670638093. The cubic root of 42841830 is about 349.9097182106.

The spelling of 42841830 in words is "forty-two million, eight hundred forty-one thousand, eight hundred thirty".