1456881 has 8 divisors (see below), whose sum is σ = 1954080. Its totient is φ = 965472.

The previous prime is 1456877. The next prime is 1456891. The reversal of 1456881 is 1886541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1456881 - 2² = 1456877 is a prime.

It is a super-2 number, since 2×1456881² = 4245004496322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1456891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820 + ... + 1893.

It is an arithmetic number, because the mean of its divisors is an integer number (244260).

2^1456881 is an apocalyptic number.

It is an amenable number.

1456881 is a deficient number, since it is larger than the sum of its proper divisors (497199).

1456881 is a wasteful number, since it uses less digits than its factorization.

1456881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895.

The product of its digits is 7680, while the sum is 33.

The square root of 1456881 is about 1207.0132559338. The cubic root of 1456881 is about 113.3638777726.

The spelling of 1456881 in words is "one million, four hundred fifty-six thousand, eight hundred eighty-one".