42949958 has 8 divisors (see below), whose sum is σ = 64658352. Its totient is φ = 21397176.

The previous prime is 42949943. The next prime is 42949961. The reversal of 42949958 is 85994924.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38210 + ... + 39317.

It is an arithmetic number, because the mean of its divisors is an integer number (8082294).

Almost surely, 2^42949958 is an apocalyptic number.

42949958 is a deficient number, since it is larger than the sum of its proper divisors (21708394).

42949958 is a wasteful number, since it uses less digits than its factorization.

42949958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77806.

The product of its digits is 933120, while the sum is 50.

The square root of 42949958 is about 6553.6217467901. The cubic root of 42949958 is about 350.2038485975.

The spelling of 42949958 in words is "forty-two million, nine hundred forty-nine thousand, nine hundred fifty-eight".