41890949 has 4 divisors (see below), whose sum is σ = 41933964. Its totient is φ = 41847936.

The previous prime is 41890943. The next prime is 41890963. The reversal of 41890949 is 94909814.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94909814 = 2 ⋅47454907.

It can be written as a sum of positive squares in 2 ways, for example, as 20638849 + 21252100 = 4543^2 + 4610^2 .

It is a cyclic number.

It is not a de Polignac number, because 41890949 - 2²⁴ = 25113733 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41890943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20012 + ... + 22005.

It is an arithmetic number, because the mean of its divisors is an integer number (10483491).

Almost surely, 2^41890949 is an apocalyptic number.

It is an amenable number.

41890949 is a deficient number, since it is larger than the sum of its proper divisors (43015).

41890949 is an equidigital number, since it uses as much as digits as its factorization.

41890949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43014.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 41890949 is about 6472.3217627062. The cubic root of 41890949 is about 347.3015591476.

The spelling of 41890949 in words is "forty-one million, eight hundred ninety thousand, nine hundred forty-nine".