3840477 has 4 divisors (see below), whose sum is σ = 5120640. Its totient is φ = 2560316.

The previous prime is 3840469. The next prime is 3840479. The reversal of 3840477 is 7740483.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 3840477 - 2³ = 3840469 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640077 + ... + 640082.

It is an arithmetic number, because the mean of its divisors is an integer number (1280160).

Almost surely, 2^3840477 is an apocalyptic number.

It is an amenable number.

3840477 is a deficient number, since it is larger than the sum of its proper divisors (1280163).

3840477 is a wasteful number, since it uses less digits than its factorization.

3840477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280162.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 3840477 is about 1959.7134994687. The cubic root of 3840477 is about 156.6011893778.

The spelling of 3840477 in words is "three million, eight hundred forty thousand, four hundred seventy-seven".