3806140477 has 4 divisors (see below), whose sum is σ = 4006463680. Its totient is φ = 3605817276.

The previous prime is 3806140453. The next prime is 3806140517. The reversal of 3806140477 is 7740416083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7740416083 = 101 ⋅76637783.

It is a cyclic number.

It is not a de Polignac number, because 3806140477 - 2¹⁹ = 3805616189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806140777) 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 3 ways as a sum of consecutive naturals, for example, 100161573 + ... + 100161610.

It is an arithmetic number, because the mean of its divisors is an integer number (1001615920).

Almost surely, 2^3806140477 is an apocalyptic number.

It is an amenable number.

3806140477 is a deficient number, since it is larger than the sum of its proper divisors (200323203).

3806140477 is a wasteful number, since it uses less digits than its factorization.

3806140477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200323202.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 3806140477 is about 61693.9257706948. The cubic root of 3806140477 is about 1561.3308385039.

The spelling of 3806140477 in words is "three billion, eight hundred six million, one hundred forty thousand, four hundred seventy-seven".