30841641 has 20 divisors (see below), whose sum is σ = 46767952. Its totient is φ = 20250648.

The previous prime is 30841639. The next prime is 30841651. The reversal of 30841641 is 14614803.

It is not a de Polignac number, because 30841641 - 2¹ = 30841639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30841631) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2586 + ... + 8268.

Almost surely, 2^30841641 is an apocalyptic number.

It is an amenable number.

30841641 is a deficient number, since it is larger than the sum of its proper divisors (15926311).

30841641 is an equidigital number, since it uses as much as digits as its factorization.

30841641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762 (or 5753 counting only the distinct ones).

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

The square root of 30841641 is about 5553.5250967291. The cubic root of 30841641 is about 313.6022422409.

The spelling of 30841641 in words is "thirty million, eight hundred forty-one thousand, six hundred forty-one".