1956240 has 240 divisors, whose sum is σ = 8124480. Its totient is φ = 414720.

The previous prime is 1956239. The next prime is 1956257. The reversal of 1956240 is 426591.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 102951 + ... + 102969.

It is an arithmetic number, because the mean of its divisors is an integer number (33852).

2^1956240 is an apocalyptic number.

1956240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1956240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4062240).

1956240 is an abundant number, since it is smaller than the sum of its proper divisors (6168240).

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

1956240 is a wasteful number, since it uses less digits than its factorization.

1956240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1956240 is about 1398.6564982153. The cubic root of 1956240 is about 125.0664180362.

The spelling of 1956240 in words is "one million, nine hundred fifty-six thousand, two hundred forty".