1956540 has 24 divisors (see below), whose sum is σ = 5478480. Its totient is φ = 521728.

The previous prime is 1956533. The next prime is 1956553. The reversal of 1956540 is 456591.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 1 + 9 + 5⁵ + 6³ + 5⁹ + 4³ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 1956498 and 1956507.

It is a congruent number.

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, 16245 + ... + 16364.

It is an arithmetic number, because the mean of its divisors is an integer number (228270).

2^1956540 is an apocalyptic number.

1956540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1956540 is an abundant number, since it is smaller than the sum of its proper divisors (3521940).

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

1956540 is a wasteful number, since it uses less digits than its factorization.

1956540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32621 (or 32619 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1956540 is about 1398.7637398789. The cubic root of 1956540 is about 125.0728109137.

The spelling of 1956540 in words is "one million, nine hundred fifty-six thousand, five hundred forty".