49039905 has 8 divisors (see below), whose sum is σ = 78463872. Its totient is φ = 26154608.

The previous prime is 49039891. The next prime is 49039927. The reversal of 49039905 is 50993094.

It is a happy number.

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 49039905 - 2¹² = 49035809 is a prime.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1634649 + ... + 1634678.

It is an arithmetic number, because the mean of its divisors is an integer number (9807984).

Almost surely, 2^49039905 is an apocalyptic number.

It is an amenable number.

49039905 is a deficient number, since it is larger than the sum of its proper divisors (29423967).

49039905 is a wasteful number, since it uses less digits than its factorization.

49039905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269335.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 49039905 is about 7002.8497770551. The cubic root of 49039905 is about 366.0298805071.

The spelling of 49039905 in words is "forty-nine million, thirty-nine thousand, nine hundred five".