30197038 has 8 divisors (see below), whose sum is σ = 46756800. Its totient is φ = 14611440.

The previous prime is 30197029. The next prime is 30197047. The reversal of 30197038 is 83079103.

It is an interprime number because it is at equal distance from previous prime (30197029) and next prime (30197047).

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

It is a super-2 number, since 2×30197038² = 1823722207946888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243463 + ... + 243586.

It is an arithmetic number, because the mean of its divisors is an integer number (5844600).

Almost surely, 2^30197038 is an apocalyptic number.

30197038 is a deficient number, since it is larger than the sum of its proper divisors (16559762).

30197038 is a wasteful number, since it uses less digits than its factorization.

30197038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487082.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 30197038 is about 5495.1831634623. The cubic root of 30197038 is about 311.4020365487.

The spelling of 30197038 in words is "thirty million, one hundred ninety-seven thousand, thirty-eight".