42948849 has 4 divisors (see below), whose sum is σ = 57265136. Its totient is φ = 28632564.

The previous prime is 42948847. The next prime is 42948859. The reversal of 42948849 is 94884924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42948849 - 2¹ = 42948847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42948798 and 42948807.

It is not an unprimeable number, because it can be changed into a prime (42948847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7158139 + ... + 7158144.

It is an arithmetic number, because the mean of its divisors is an integer number (14316284).

Almost surely, 2^42948849 is an apocalyptic number.

It is an amenable number.

42948849 is a deficient number, since it is larger than the sum of its proper divisors (14316287).

42948849 is a wasteful number, since it uses less digits than its factorization.

42948849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14316286.

The product of its digits is 663552, while the sum is 48.

The square root of 42948849 is about 6553.5371365393. The cubic root of 42948849 is about 350.2008343965.

The spelling of 42948849 in words is "forty-two million, nine hundred forty-eight thousand, eight hundred forty-nine".