1949105 has 8 divisors (see below), whose sum is σ = 2346792. Its totient is φ = 1554048.

The previous prime is 1949081. The next prime is 1949111. The reversal of 1949105 is 5019491.

It can be written as a sum of positive squares in 4 ways, for example, as 123904 + 1825201 = 352^2 + 1351^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1949105 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

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, 1859 + ... + 2711.

It is an arithmetic number, because the mean of its divisors is an integer number (293349).

2^1949105 is an apocalyptic number.

It is an amenable number.

1949105 is a deficient number, since it is larger than the sum of its proper divisors (397687).

1949105 is an equidigital number, since it uses as much as digits as its factorization.

1949105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 1949105 is about 1396.1035061914. The cubic root of 1949105 is about 124.9141810944.

The spelling of 1949105 in words is "one million, nine hundred forty-nine thousand, one hundred five".