41420857 has 8 divisors (see below), whose sum is σ = 44459496. Its totient is φ = 38449152.

The previous prime is 41420849. The next prime is 41420881. The reversal of 41420857 is 75802414.

It can be written as a sum of positive squares in 4 ways, for example, as 17007376 + 24413481 = 4124^2 + 4941^2 .

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 41420857 - 2³ = 41420849 is a prime.

It is a super-2 number, since 2×41420857² = 3431374789228898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41420837) 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, 15448 + ... + 17929.

It is an arithmetic number, because the mean of its divisors is an integer number (5557437).

Almost surely, 2^41420857 is an apocalyptic number.

It is an amenable number.

41420857 is a deficient number, since it is larger than the sum of its proper divisors (3038639).

41420857 is a wasteful number, since it uses less digits than its factorization.

41420857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33467.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 41420857 is about 6435.9037438420. The cubic root of 41420857 is about 345.9975525237.

The spelling of 41420857 in words is "forty-one million, four hundred twenty thousand, eight hundred fifty-seven".