40934387 has 8 divisors (see below), whose sum is σ = 44742096. Its totient is φ = 37220832.

The previous prime is 40934381. The next prime is 40934389. The reversal of 40934387 is 78343904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40934387 - 2⁴ = 40934371 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 40934387.

It is not an unprimeable number, because it can be changed into a prime (40934381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22628 + ... + 24369.

It is an arithmetic number, because the mean of its divisors is an integer number (5592762).

Almost surely, 2^40934387 is an apocalyptic number.

40934387 is a deficient number, since it is larger than the sum of its proper divisors (3807709).

40934387 is a wasteful number, since it uses less digits than its factorization.

40934387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47077.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 40934387 is about 6397.9986714597. The cubic root of 40934387 is about 344.6376844654.

The spelling of 40934387 in words is "forty million, nine hundred thirty-four thousand, three hundred eighty-seven".