49209806 has 8 divisors (see below), whose sum is σ = 74087904. Its totient is φ = 24513840.

The previous prime is 49209793. The next prime is 49209817. The reversal of 49209806 is 60890294.

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

It is a self number, because there is not a number n which added to its sum of digits gives 49209806.

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, 44855 + ... + 45938.

It is an arithmetic number, because the mean of its divisors is an integer number (9260988).

Almost surely, 2^49209806 is an apocalyptic number.

49209806 is a deficient number, since it is larger than the sum of its proper divisors (24878098).

49209806 is a wasteful number, since it uses less digits than its factorization.

49209806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91066.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 49209806 is about 7014.9701353605. The cubic root of 49209806 is about 366.4521023823.

The spelling of 49209806 in words is "forty-nine million, two hundred nine thousand, eight hundred six".