3922581407 has 4 divisors (see below), whose sum is σ = 4129033080. Its totient is φ = 3716129736.

The previous prime is 3922581371. The next prime is 3922581419. The reversal of 3922581407 is 7041852293.

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

It is a cyclic number.

It is not a de Polignac number, because 3922581407 - 2¹⁰ = 3922580383 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 (3922581007) 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, 103225808 + ... + 103225845.

It is an arithmetic number, because the mean of its divisors is an integer number (1032258270).

Almost surely, 2^3922581407 is an apocalyptic number.

3922581407 is a deficient number, since it is larger than the sum of its proper divisors (206451673).

3922581407 is a wasteful number, since it uses less digits than its factorization.

3922581407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206451672.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 3922581407 is about 62630.5149827143. The cubic root of 3922581407 is about 1577.0930643140.

The spelling of 3922581407 in words is "three billion, nine hundred twenty-two million, five hundred eighty-one thousand, four hundred seven".