1949256 has 24 divisors (see below), whose sum is σ = 5279430. Its totient is φ = 649728.

The previous prime is 1949251. The next prime is 1949257. The reversal of 1949256 is 6529491.

1949256 = T₁₁ + T₁₂ + ... + T₂₂₆.

It can be written as a sum of positive squares in only one way, i.e., 1664100 + 285156 = 1290^2 + 534^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1949256.

It is not an unprimeable number, because it can be changed into a prime (1949251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13465 + ... + 13608.

2^1949256 is an apocalyptic number.

It is an amenable number.

1949256 is an abundant number, since it is smaller than the sum of its proper divisors (3330174).

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

1949256 is a wasteful number, since it uses less digits than its factorization.

1949256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27085 (or 27078 counting only the distinct ones).

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

The square root of 1949256 is about 1396.1575842289. The cubic root of 1949256 is about 124.9174067722.

The spelling of 1949256 in words is "one million, nine hundred forty-nine thousand, two hundred fifty-six".