42998340 has 192 divisors, whose sum is σ = 154441728. Its totient is φ = 8678400.

The previous prime is 42998327. The next prime is 42998353. The reversal of 42998340 is 4389924.

It is an interprime number because it is at equal distance from previous prime (42998327) and next prime (42998353).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189307 + ... + 189533.

It is an arithmetic number, because the mean of its divisors is an integer number (804384).

Almost surely, 2^42998340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42998340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77220864).

42998340 is an abundant number, since it is smaller than the sum of its proper divisors (111443388).

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

42998340 is a wasteful number, since it uses less digits than its factorization.

42998340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 42998340 is about 6557.3119492670. The cubic root of 42998340 is about 350.3352977320.

The spelling of 42998340 in words is "forty-two million, nine hundred ninety-eight thousand, three hundred forty".