19413914 has 16 divisors (see below), whose sum is σ = 32030208. Its totient is φ = 8769072.

The previous prime is 19413893. The next prime is 19413931. The reversal of 19413914 is 41931491.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6722 + ... + 9165.

It is an arithmetic number, because the mean of its divisors is an integer number (2001888).

Almost surely, 2^19413914 is an apocalyptic number.

19413914 is a deficient number, since it is larger than the sum of its proper divisors (12616294).

19413914 is a wasteful number, since it uses less digits than its factorization.

19413914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15949.

The product of its digits is 3888, while the sum is 32.

The square root of 19413914 is about 4406.1223314838. The cubic root of 19413914 is about 268.7639614885.

It can be divided in two parts, 194139 and 14, that multiplied together give a triangular number (2717946 = T₂₃₃₁).

The spelling of 19413914 in words is "nineteen million, four hundred thirteen thousand, nine hundred fourteen".