40846821 has 8 divisors (see below), whose sum is σ = 55385760. Its totient is φ = 26769552.

The previous prime is 40846811. The next prime is 40846831. The reversal of 40846821 is 12864804.

It is an interprime number because it is at equal distance from previous prime (40846811) and next prime (40846831).

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

It is not a de Polignac number, because 40846821 - 2¹⁰ = 40845797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40846811) 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, 115210 + ... + 115563.

It is an arithmetic number, because the mean of its divisors is an integer number (6923220).

Almost surely, 2^40846821 is an apocalyptic number.

It is an amenable number.

40846821 is a deficient number, since it is larger than the sum of its proper divisors (14538939).

40846821 is a wasteful number, since it uses less digits than its factorization.

40846821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230835.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 40846821 is about 6391.1517741327. The cubic root of 40846821 is about 344.3917617387.

The spelling of 40846821 in words is "forty million, eight hundred forty-six thousand, eight hundred twenty-one".