42898212 has 36 divisors (see below), whose sum is σ = 123928896. Its totient is φ = 12256560.

The previous prime is 42898201. The next prime is 42898249. The reversal of 42898212 is 21289824.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 84864 + ... + 85367.

Almost surely, 2^42898212 is an apocalyptic number.

42898212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42898212 is an abundant number, since it is smaller than the sum of its proper divisors (81030684).

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

42898212 is a wasteful number, since it uses less digits than its factorization.

42898212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170248 (or 170243 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 42898212 is about 6549.6726635764. The cubic root of 42898212 is about 350.0631505098.

The spelling of 42898212 in words is "forty-two million, eight hundred ninety-eight thousand, two hundred twelve".