1054998 has 32 divisors (see below), whose sum is σ = 2680320. Its totient is φ = 301320.

The previous prime is 1054993. The next prime is 1055017. The reversal of 1054998 is 8994501.

It is a super-2 number, since 2×1054998² = 2226041560008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018 + ... + 1773.

It is an arithmetic number, because the mean of its divisors is an integer number (83760).

2^1054998 is an apocalyptic number.

1054998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1054998 is an abundant number, since it is smaller than the sum of its proper divisors (1625322).

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

1054998 is a wasteful number, since it uses less digits than its factorization.

1054998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1054998 is about 1027.1309556235. The cubic root of 1054998 is about 101.8006486990.

The spelling of 1054998 in words is "one million, fifty-four thousand, nine hundred ninety-eight".