49090947 has 8 divisors (see below), whose sum is σ = 68300544. Its totient is φ = 31304328.

The previous prime is 49090919. The next prime is 49090957. The reversal of 49090947 is 74909094.

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

It is not a de Polignac number, because 49090947 - 2¹⁰ = 49089923 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49090899 and 49090908.

It is not an unprimeable number, because it can be changed into a prime (49090957) 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, 355663 + ... + 355800.

It is an arithmetic number, because the mean of its divisors is an integer number (8537568).

Almost surely, 2^49090947 is an apocalyptic number.

49090947 is a deficient number, since it is larger than the sum of its proper divisors (19209597).

49090947 is a wasteful number, since it uses less digits than its factorization.

49090947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711489.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 49090947 is about 7006.4932027370. The cubic root of 49090947 is about 366.1568275925.

The spelling of 49090947 in words is "forty-nine million, ninety thousand, nine hundred forty-seven".