39490111 has 4 divisors (see below), whose sum is σ = 39506152. Its totient is φ = 39474072.

The previous prime is 39490109. The next prime is 39490163. The reversal of 39490111 is 11109493.

It is a happy number.

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 39490111 - 2¹ = 39490109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39490111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39490181) 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, 3465 + ... + 9538.

It is an arithmetic number, because the mean of its divisors is an integer number (9876538).

Almost surely, 2^39490111 is an apocalyptic number.

39490111 is a deficient number, since it is larger than the sum of its proper divisors (16041).

39490111 is a wasteful number, since it uses less digits than its factorization.

39490111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16040.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 39490111 is about 6284.1157691437. The cubic root of 39490111 is about 340.5358074244.

It can be divided in two parts, 39490 and 111, that added together give a square (39601 = 199²).

The spelling of 39490111 in words is "thirty-nine million, four hundred ninety thousand, one hundred eleven".