49219605 has 24 divisors (see below), whose sum is σ = 85628088. Its totient is φ = 26153856.

The previous prime is 49219571. The next prime is 49219627. The reversal of 49219605 is 50691294.

49219605 is a `hidden beast` number, since 49 + 2 + 1 + 9 + 605 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16695396 + 32524209 = 4086^2 + 5703^2 .

It is not a de Polignac number, because 49219605 - 2¹⁰ = 49218581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49219605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11319 + ... + 15051.

It is an arithmetic number, because the mean of its divisors is an integer number (3567837).

Almost surely, 2^49219605 is an apocalyptic number.

49219605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49219605 is a deficient number, since it is larger than the sum of its proper divisors (36408483).

49219605 is a wasteful number, since it uses less digits than its factorization.

49219605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 49219605 is about 7015.6685354997. The cubic root of 49219605 is about 366.4764242680.

The spelling of 49219605 in words is "forty-nine million, two hundred nineteen thousand, six hundred five".