38491266 has 32 divisors (see below), whose sum is σ = 84204288. Its totient is φ = 11633040.

The previous prime is 38491237. The next prime is 38491267. The reversal of 38491266 is 66219483.

It is not an unprimeable number, because it can be changed into a prime (38491267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41985 + ... + 42891.

It is an arithmetic number, because the mean of its divisors is an integer number (2631384).

Almost surely, 2^38491266 is an apocalyptic number.

38491266 is an abundant number, since it is smaller than the sum of its proper divisors (45713022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38491266 is a wasteful number, since it uses less digits than its factorization.

38491266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566.

The product of its digits is 62208, while the sum is 39.

The square root of 38491266 is about 6204.1329772983. The cubic root of 38491266 is about 337.6401349472.

It can be divided in two parts, 3849 and 1266, that added together give a palindrome (5115).

The spelling of 38491266 in words is "thirty-eight million, four hundred ninety-one thousand, two hundred sixty-six".