1054638 has 24 divisors (see below), whose sum is σ = 2461368. Its totient is φ = 324432.

The previous prime is 1054621. The next prime is 1054639. The reversal of 1054638 is 8364501.

It is a super-2 number, since 2×1054638² = 2224522622088, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2020 + ... + 2487.

It is an arithmetic number, because the mean of its divisors is an integer number (102557).

2^1054638 is an apocalyptic number.

1054638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1054638 is an abundant number, since it is smaller than the sum of its proper divisors (1406730).

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

1054638 is a wasteful number, since it uses less digits than its factorization.

1054638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528 (or 4525 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1054638 is about 1026.9556952469. The cubic root of 1054638 is about 101.7890681391.

The spelling of 1054638 in words is "one million, fifty-four thousand, six hundred thirty-eight".