40830387 has 8 divisors (see below), whose sum is σ = 58628304. Its totient is φ = 25126368.

The previous prime is 40830367. The next prime is 40830401. The reversal of 40830387 is 78303804.

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

It is not a de Polignac number, because 40830387 - 2⁶ = 40830323 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (40830337) 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, 523428 + ... + 523505.

It is an arithmetic number, because the mean of its divisors is an integer number (7328538).

Almost surely, 2^40830387 is an apocalyptic number.

40830387 is a deficient number, since it is larger than the sum of its proper divisors (17797917).

40830387 is a wasteful number, since it uses less digits than its factorization.

40830387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046949.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 40830387 is about 6389.8659610355. The cubic root of 40830387 is about 344.3455688872.

The spelling of 40830387 in words is "forty million, eight hundred thirty thousand, three hundred eighty-seven".