1949265 has 20 divisors (see below), whose sum is σ = 3494964. Its totient is φ = 1039392.

The previous prime is 1949257. The next prime is 1949309. The reversal of 1949265 is 5629491.

It can be written as a sum of positive squares in 2 ways, for example, as 1089936 + 859329 = 1044^2 + 927^2 .

It is not a de Polignac number, because 1949265 - 2³ = 1949257 is a prime.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2002 + ... + 2811.

2^1949265 is an apocalyptic number.

1949265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1949265 is a deficient number, since it is larger than the sum of its proper divisors (1545699).

1949265 is an equidigital number, since it uses as much as digits as its factorization.

1949265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830 (or 4821 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1949265 is about 1396.1608073571. The cubic root of 1949265 is about 124.9175990259.

It can be divided in two parts, 19 and 49265, that added together give a square (49284 = 222²).

The spelling of 1949265 in words is "one million, nine hundred forty-nine thousand, two hundred sixty-five".