40894386 has 16 divisors (see below), whose sum is σ = 88080384. Its totient is φ = 12582864.

The previous prime is 40894369. The next prime is 40894387. The reversal of 40894386 is 68349804.

It is not an unprimeable number, because it can be changed into a prime (40894387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262066 + ... + 262221.

It is an arithmetic number, because the mean of its divisors is an integer number (5505024).

Almost surely, 2^40894386 is an apocalyptic number.

40894386 is an abundant number, since it is smaller than the sum of its proper divisors (47185998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40894386 is a wasteful number, since it uses less digits than its factorization.

40894386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524305.

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

The square root of 40894386 is about 6394.8718517262. The cubic root of 40894386 is about 344.5253881300.

The spelling of 40894386 in words is "forty million, eight hundred ninety-four thousand, three hundred eighty-six".