30973398 has 8 divisors (see below), whose sum is σ = 61946808. Its totient is φ = 10324464.

The previous prime is 30973379. The next prime is 30973399. The reversal of 30973398 is 89337903.

It is a happy number.

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

30973398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30973399) 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, 2581111 + ... + 2581122.

It is an arithmetic number, because the mean of its divisors is an integer number (7743351).

Almost surely, 2^30973398 is an apocalyptic number.

30973398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30973398 is a wasteful number, since it uses less digits than its factorization.

30973398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162238.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 30973398 is about 5565.3749199852. The cubic root of 30973398 is about 314.0481825259.

The spelling of 30973398 in words is "thirty million, nine hundred seventy-three thousand, three hundred ninety-eight".