49405369 has 8 divisors (see below), whose sum is σ = 54504072. Its totient is φ = 44492160.

The previous prime is 49405337. The next prime is 49405373. The reversal of 49405369 is 96350494.

It can be written as a sum of positive squares in 4 ways, for example, as 4782969 + 44622400 = 2187^2 + 6680^2 .

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 49405369 - 2⁵ = 49405337 is a prime.

It is a super-2 number, since 2×49405369² = 4881780972052322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49405379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45814 + ... + 46879.

It is an arithmetic number, because the mean of its divisors is an integer number (6813009).

Almost surely, 2^49405369 is an apocalyptic number.

It is an amenable number.

49405369 is a deficient number, since it is larger than the sum of its proper divisors (5098703).

49405369 is a wasteful number, since it uses less digits than its factorization.

49405369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92747.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 49405369 is about 7028.8952901576. The cubic root of 49405369 is about 366.9368956532.

The spelling of 49405369 in words is "forty-nine million, four hundred five thousand, three hundred sixty-nine".