1601456 has 20 divisors (see below), whose sum is σ = 3136704. Its totient is φ = 792000.

The previous prime is 1601447. The next prime is 1601459. The reversal of 1601456 is 6541061.

It is a super-2 number, since 2×1601456² = 5129322639872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1601459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121 + ... + 2111.

2^1601456 is an apocalyptic number.

1601456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1601456 is a deficient number, since it is larger than the sum of its proper divisors (1535248).

1601456 is a wasteful number, since it uses less digits than its factorization.

1601456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1094 counting only the distinct ones).

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

The square root of 1601456 is about 1265.4864677269. The cubic root of 1601456 is about 116.9961768542.

The spelling of 1601456 in words is "one million, six hundred one thousand, four hundred fifty-six".