40396089 has 8 divisors (see below), whose sum is σ = 54620352. Its totient is φ = 26551280.

The previous prime is 40396079. The next prime is 40396129. The reversal of 40396089 is 98069304.

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 40396089 - 2⁸ = 40395833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40396009) 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, 94614 + ... + 95039.

It is an arithmetic number, because the mean of its divisors is an integer number (6827544).

Almost surely, 2^40396089 is an apocalyptic number.

It is an amenable number.

40396089 is a deficient number, since it is larger than the sum of its proper divisors (14224263).

40396089 is a wasteful number, since it uses less digits than its factorization.

40396089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189727.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 40396089 is about 6355.7917681434. The cubic root of 40396089 is about 343.1203214680.

The spelling of 40396089 in words is "forty million, three hundred ninety-six thousand, eighty-nine".