30641841 has 8 divisors (see below), whose sum is σ = 45395360. Its totient is φ = 20427876.

The previous prime is 30641833. The next prime is 30641861. The reversal of 30641841 is 14814603.

It is not a de Polignac number, because 30641841 - 2³ = 30641833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1134883 = 30641841 / (3 + 0 + 6 + 4 + 1 + 8 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30641861) 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, 567415 + ... + 567468.

It is an arithmetic number, because the mean of its divisors is an integer number (5674420).

Almost surely, 2^30641841 is an apocalyptic number.

It is an amenable number.

30641841 is a deficient number, since it is larger than the sum of its proper divisors (14753519).

30641841 is a wasteful number, since it uses less digits than its factorization.

30641841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134892 (or 1134886 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 30641841 is about 5535.5072938259. The cubic root of 30641841 is about 312.9235762201.

The spelling of 30641841 in words is "thirty million, six hundred forty-one thousand, eight hundred forty-one".