1949969 has 8 divisors (see below), whose sum is σ = 2243520. Its totient is φ = 1660176.

The previous prime is 1949947. The next prime is 1949999. The reversal of 1949969 is 9699491.

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

It is not a de Polignac number, because 1949969 - 2¹² = 1945873 is a prime.

It is a super-2 number, since 2×1949969² = 7604758201922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1949929) 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, 287 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (280440).

2^1949969 is an apocalyptic number.

It is an amenable number.

1949969 is a deficient number, since it is larger than the sum of its proper divisors (293551).

1949969 is a wasteful number, since it uses less digits than its factorization.

1949969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879.

The product of its digits is 157464, while the sum is 47.

The square root of 1949969 is about 1396.4129045522. The cubic root of 1949969 is about 124.9326357029.

It can be divided in two parts, 19499 and 69, that multiplied together give a palindrome (1345431).

The spelling of 1949969 in words is "one million, nine hundred forty-nine thousand, nine hundred sixty-nine".