1949312 has 32 divisors (see below), whose sum is σ = 3948420. Its totient is φ = 958464.

The previous prime is 1949309. The next prime is 1949327. The reversal of 1949312 is 2139491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1915456 + 33856 = 1384^2 + 184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12338 + ... + 12494.

2^1949312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1949312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974210).

1949312 is an abundant number, since it is smaller than the sum of its proper divisors (1999108).

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

1949312 is an equidigital number, since it uses as much as digits as its factorization.

1949312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 256 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 1949312 is about 1396.1776391276. The cubic root of 1949312 is about 124.9186030077.

The spelling of 1949312 in words is "one million, nine hundred forty-nine thousand, three hundred twelve".