40346889 has 8 divisors (see below), whose sum is σ = 58686432. Its totient is φ = 24452640.

The previous prime is 40346869. The next prime is 40346893. The reversal of 40346889 is 98864304.

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

It is not a de Polignac number, because 40346889 - 2⁹ = 40346377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40346889.

It is not an unprimeable number, because it can be changed into a prime (40346819) 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, 611284 + ... + 611349.

It is an arithmetic number, because the mean of its divisors is an integer number (7335804).

Almost surely, 2^40346889 is an apocalyptic number.

It is an amenable number.

40346889 is a deficient number, since it is larger than the sum of its proper divisors (18339543).

40346889 is a wasteful number, since it uses less digits than its factorization.

40346889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222647.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 40346889 is about 6351.9201034018. The cubic root of 40346889 is about 342.9809649244.

The spelling of 40346889 in words is "forty million, three hundred forty-six thousand, eight hundred eighty-nine".