1016456 has 24 divisors (see below), whose sum is σ = 2217870. Its totient is φ = 435456.

The previous prime is 1016453. The next prime is 1016489. The reversal of 1016456 is 6546101.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 188356 = 910^2 + 434^2 .

It is not an unprimeable number, because it can be changed into a prime (1016453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 905 + ... + 1688.

2^1016456 is an apocalyptic number.

It is an amenable number.

1016456 is an abundant number, since it is smaller than the sum of its proper divisors (1201414).

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

1016456 is a wasteful number, since it uses less digits than its factorization.

1016456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2602 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1016456 is about 1008.1944256938. The cubic root of 1016456 is about 100.5455516549.

The spelling of 1016456 in words is "one million, sixteen thousand, four hundred fifty-six".