19930926 has 16 divisors (see below), whose sum is σ = 41595264. Its totient is φ = 6354744.

The previous prime is 19930921. The next prime is 19930991. The reversal of 19930926 is 62903991.

It is a happy number.

It is a super-2 number, since 2×19930926² = 794483622434952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19930921) 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, 72076 + ... + 72351.

It is an arithmetic number, because the mean of its divisors is an integer number (2599704).

Almost surely, 2^19930926 is an apocalyptic number.

19930926 is an abundant number, since it is smaller than the sum of its proper divisors (21664338).

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

19930926 is a wasteful number, since it uses less digits than its factorization.

19930926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144455.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 19930926 is about 4464.4065675070. The cubic root of 19930926 is about 271.1289084114.

It can be divided in two parts, 199 and 30926, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 19930926 in words is "nineteen million, nine hundred thirty thousand, nine hundred twenty-six".