1949289 has 8 divisors (see below), whose sum is σ = 2605632. Its totient is φ = 1296240.

The previous prime is 1949257. The next prime is 1949309. The reversal of 1949289 is 9829491.

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

It is not a de Polignac number, because 1949289 - 2⁵ = 1949257 is a prime.

1949289 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1949289.

It is not an unprimeable number, because it can be changed into a prime (1929289) 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, 1492 + ... + 2474.

It is an arithmetic number, because the mean of its divisors is an integer number (325704).

2^1949289 is an apocalyptic number.

It is an amenable number.

1949289 is a deficient number, since it is larger than the sum of its proper divisors (656343).

1949289 is an equidigital number, since it uses as much as digits as its factorization.

1949289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647.

The product of its digits is 46656, while the sum is 42.

The square root of 1949289 is about 1396.1694023291. The cubic root of 1949289 is about 124.9181116995.

The spelling of 1949289 in words is "one million, nine hundred forty-nine thousand, two hundred eighty-nine".