40894989 has 8 divisors (see below), whose sum is σ = 56897472. Its totient is φ = 26077920.

The previous prime is 40894969. The next prime is 40894993. The reversal of 40894989 is 98949804.

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

It is not a de Polignac number, because 40894989 - 2⁵ = 40894957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40894969) 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, 296272 + ... + 296409.

It is an arithmetic number, because the mean of its divisors is an integer number (7112184).

Almost surely, 2^40894989 is an apocalyptic number.

It is an amenable number.

40894989 is a deficient number, since it is larger than the sum of its proper divisors (16002483).

40894989 is a wasteful number, since it uses less digits than its factorization.

40894989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592707.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 40894989 is about 6394.9189987051. The cubic root of 40894989 is about 344.5270814984.

The spelling of 40894989 in words is "forty million, eight hundred ninety-four thousand, nine hundred eighty-nine".