1000454 has 32 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 376992.

The previous prime is 1000453. The next prime is 1000457. The reversal of 1000454 is 4540001.

It is a super-2 number, since 2×1000454² = 2001816412232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4067 + ... + 4305.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^1000454 is an apocalyptic number.

1000454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1000454 is a deficient number, since it is larger than the sum of its proper divisors (934906).

1000454 is a wasteful number, since it uses less digits than its factorization.

1000454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1000454 is about 1000.2269742413. The cubic root of 1000454 is about 100.0151310437.

Adding to 1000454 its reverse (4540001), we get a palindrome (5540455).

The spelling of 1000454 in words is "one million, four hundred fifty-four", and thus it is an aban number.