30898641 has 4 divisors (see below), whose sum is σ = 41198192. Its totient is φ = 20599092.

The previous prime is 30898633. The next prime is 30898649. The reversal of 30898641 is 14689803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (30898633) and next prime (30898649).

It is not a de Polignac number, because 30898641 - 2³ = 30898633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30898641.

It is not an unprimeable number, because it can be changed into a prime (30898649) 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, 5149771 + ... + 5149776.

It is an arithmetic number, because the mean of its divisors is an integer number (10299548).

Almost surely, 2^30898641 is an apocalyptic number.

It is an amenable number.

30898641 is a deficient number, since it is larger than the sum of its proper divisors (10299551).

30898641 is a wasteful number, since it uses less digits than its factorization.

30898641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10299550.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 30898641 is about 5558.6546034090. The cubic root of 30898641 is about 313.7953180784.

The spelling of 30898641 in words is "thirty million, eight hundred ninety-eight thousand, six hundred forty-one".