76231386 has 48 divisors (see below), whose sum is σ = 205927488. Its totient is φ = 19800000.

The previous prime is 76231381. The next prime is 76231399. The reversal of 76231386 is 68313267.

It is a happy number.

It is a super-2 number, since 2×76231386² = 11622448422961992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76231386.

It is not an unprimeable number, because it can be changed into a prime (76231381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26115 + ... + 28886.

It is an arithmetic number, because the mean of its divisors is an integer number (4290156).

Almost surely, 2^76231386 is an apocalyptic number.

76231386 is an abundant number, since it is smaller than the sum of its proper divisors (129696102).

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

76231386 is a wasteful number, since it uses less digits than its factorization.

76231386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55027 (or 55024 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 76231386 is about 8731.0586986917. The cubic root of 76231386 is about 424.0117958330.

It can be divided in two parts, 7623 and 1386, that added together give a palindrome (9009).

The spelling of 76231386 in words is "seventy-six million, two hundred thirty-one thousand, three hundred eighty-six".