38540711 has 4 divisors (see below), whose sum is σ = 42044424. Its totient is φ = 35037000.

The previous prime is 38540707. The next prime is 38540731. The reversal of 38540711 is 11704583.

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 38540711 - 2² = 38540707 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 (38540701) 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, 1751840 + ... + 1751861.

It is an arithmetic number, because the mean of its divisors is an integer number (10511106).

Almost surely, 2^38540711 is an apocalyptic number.

38540711 is a deficient number, since it is larger than the sum of its proper divisors (3503713).

38540711 is a wasteful number, since it uses less digits than its factorization.

38540711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503712.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 38540711 is about 6208.1165420762. The cubic root of 38540711 is about 337.7846480172.

The spelling of 38540711 in words is "thirty-eight million, five hundred forty thousand, seven hundred eleven".