19971034 has 8 divisors (see below), whose sum is σ = 30447828. Its totient is φ = 9821760.

The previous prime is 19971031. The next prime is 19971041. The reversal of 19971034 is 43017991.

It can be written as a sum of positive squares in 2 ways, for example, as 19404025 + 567009 = 4405^2 + 753^2 .

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

It is not an unprimeable number, because it can be changed into a prime (19971031) 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, 81727 + ... + 81970.

Almost surely, 2^19971034 is an apocalyptic number.

19971034 is a deficient number, since it is larger than the sum of its proper divisors (10476794).

19971034 is a wasteful number, since it uses less digits than its factorization.

19971034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163760.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 19971034 is about 4468.8962843190. The cubic root of 19971034 is about 271.3106553109.

The spelling of 19971034 in words is "nineteen million, nine hundred seventy-one thousand, thirty-four".