40347486 has 12 divisors (see below), whose sum is σ = 87419592. Its totient is φ = 13449156.

The previous prime is 40347473. The next prime is 40347493. The reversal of 40347486 is 68474304.

It is a self number, because there is not a number n which added to its sum of digits gives 40347486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1120746 + ... + 1120781.

It is an arithmetic number, because the mean of its divisors is an integer number (7284966).

Almost surely, 2^40347486 is an apocalyptic number.

40347486 is an abundant number, since it is smaller than the sum of its proper divisors (47072106).

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

40347486 is a wasteful number, since it uses less digits than its factorization.

40347486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241535 (or 2241532 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 40347486 is about 6351.9670968921. The cubic root of 40347486 is about 342.9826565759.

The spelling of 40347486 in words is "forty million, three hundred forty-seven thousand, four hundred eighty-six".