1561792 has 28 divisors (see below), whose sum is σ = 3236976. Its totient is φ = 746240.

The previous prime is 1561759. The next prime is 1561801. The reversal of 1561792 is 2971651.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942 + ... + 2002.

2^1561792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1561792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618488).

1561792 is an abundant number, since it is smaller than the sum of its proper divisors (1675184).

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

1561792 is a wasteful number, since it uses less digits than its factorization.

1561792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1086 counting only the distinct ones).

The product of its digits is 3780, while the sum is 31.

The square root of 1561792 is about 1249.7167679118. The cubic root of 1561792 is about 116.0221915530.

The spelling of 1561792 in words is "one million, five hundred sixty-one thousand, seven hundred ninety-two".