1946556 has 36 divisors (see below), whose sum is σ = 4968600. Its totient is φ = 642528.

The previous prime is 1946543. The next prime is 1946561. The reversal of 1946556 is 6556491.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1946556² = 7578160522272, which contains 22 as substring.

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 1946556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4810 + ... + 5198.

2^1946556 is an apocalyptic number.

It is an amenable number.

1946556 is an abundant number, since it is smaller than the sum of its proper divisors (3022044).

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

1946556 is a wasteful number, since it uses less digits than its factorization.

1946556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 533 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 1946556 is about 1395.1903095994. The cubic root of 1946556 is about 124.8597039283.

The spelling of 1946556 in words is "one million, nine hundred forty-six thousand, five hundred fifty-six".