48686405 has 4 divisors (see below), whose sum is σ = 58423692. Its totient is φ = 38949120.

The previous prime is 48686381. The next prime is 48686431. The reversal of 48686405 is 50468684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16048036 + 32638369 = 4006^2 + 5713^2 .

It is not a de Polignac number, because 48686405 - 2¹⁸ = 48424261 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 4868636 + ... + 4868645.

It is an arithmetic number, because the mean of its divisors is an integer number (14605923).

Almost surely, 2^48686405 is an apocalyptic number.

It is an amenable number.

48686405 is a deficient number, since it is larger than the sum of its proper divisors (9737287).

48686405 is an equidigital number, since it uses as much as digits as its factorization.

48686405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9737286.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 48686405 is about 6977.5644031424. The cubic root of 48686405 is about 365.1482602800.

The spelling of 48686405 in words is "forty-eight million, six hundred eighty-six thousand, four hundred five".