19949267 has 6 divisors (see below), whose sum is σ = 21602052. Its totient is φ = 18414552.

The previous prime is 19949249. The next prime is 19949269. The reversal of 19949267 is 76294991.

It is not a de Polignac number, because 19949267 - 2⁶ = 19949203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19949269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58853 + ... + 59190.

It is an arithmetic number, because the mean of its divisors is an integer number (3600342).

Almost surely, 2^19949267 is an apocalyptic number.

19949267 is a deficient number, since it is larger than the sum of its proper divisors (1652785).

19949267 is a wasteful number, since it uses less digits than its factorization.

19949267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118069 (or 118056 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 19949267 is about 4466.4602315480. The cubic root of 19949267 is about 271.2120497354.

The spelling of 19949267 in words is "nineteen million, nine hundred forty-nine thousand, two hundred sixty-seven".