1055490 has 32 divisors (see below), whose sum is σ = 2560896. Its totient is φ = 278400.

The previous prime is 1055489. The next prime is 1055501. The reversal of 1055490 is 945501.

It is a super-2 number, since 2×1055490² = 2228118280200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4414 + ... + 4646.

It is an arithmetic number, because the mean of its divisors is an integer number (80028).

2^1055490 is an apocalyptic number.

1055490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055490 is an abundant number, since it is smaller than the sum of its proper divisors (1505406).

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

1055490 is a wasteful number, since it uses less digits than its factorization.

1055490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1055490 is about 1027.3704297866. The cubic root of 1055490 is about 101.8164712046.

The spelling of 1055490 in words is "one million, fifty-five thousand, four hundred ninety".