1556196 has 24 divisors (see below), whose sum is σ = 3720864. Its totient is φ = 505920.

The previous prime is 1556189. The next prime is 1556201. The reversal of 1556196 is 6916551.

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, 1090 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (155036).

2^1556196 is an apocalyptic number.

It is an amenable number.

1556196 is an abundant number, since it is smaller than the sum of its proper divisors (2164668).

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

1556196 is a wasteful number, since it uses less digits than its factorization.

1556196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211 (or 3209 counting only the distinct ones).

The product of its digits is 8100, while the sum is 33.

The square root of 1556196 is about 1247.4758514697. The cubic root of 1556196 is about 115.8834540903.

It can be divided in two parts, 15561 and 96, that multiplied together give a triangular number (1493856 = T₁₇₂₈).

The spelling of 1556196 in words is "one million, five hundred fifty-six thousand, one hundred ninety-six".