42948389 has 8 divisors (see below), whose sum is σ = 46909632. Its totient is φ = 38996640.

The previous prime is 42948349. The next prime is 42948413. The reversal of 42948389 is 98384924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42948389 - 2⁸ = 42948133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42948319) 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, 9857 + ... + 13529.

It is an arithmetic number, because the mean of its divisors is an integer number (5863704).

Almost surely, 2^42948389 is an apocalyptic number.

It is an amenable number.

42948389 is a deficient number, since it is larger than the sum of its proper divisors (3961243).

42948389 is a wasteful number, since it uses less digits than its factorization.

42948389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747.

The product of its digits is 497664, while the sum is 47.

The square root of 42948389 is about 6553.5020408939. The cubic root of 42948389 is about 350.1995841266.

The spelling of 42948389 in words is "forty-two million, nine hundred forty-eight thousand, three hundred eighty-nine".