30041997 has 8 divisors (see below), whose sum is σ = 40111680. Its totient is φ = 20000160.

The previous prime is 30041989. The next prime is 30042011. The reversal of 30041997 is 79914003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30041997 - 2³ = 30041989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30041917) 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, 4297 + ... + 8862.

It is an arithmetic number, because the mean of its divisors is an integer number (5013960).

Almost surely, 2^30041997 is an apocalyptic number.

It is an amenable number.

30041997 is a deficient number, since it is larger than the sum of its proper divisors (10069683).

30041997 is a wasteful number, since it uses less digits than its factorization.

30041997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13923.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 30041997 is about 5481.0580183027. The cubic root of 30041997 is about 310.8681768152.

The spelling of 30041997 in words is "thirty million, forty-one thousand, nine hundred ninety-seven".