1054388 has 6 divisors (see below), whose sum is σ = 1845186. Its totient is φ = 527192.

The previous prime is 1054381. The next prime is 1054393. The reversal of 1054388 is 8834501.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 204304 = 922^2 + 452^2 .

It is a super-2 number, since 2×1054388² = 2223468109088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131795 + ... + 131802.

It is an arithmetic number, because the mean of its divisors is an integer number (307531).

2^1054388 is an apocalyptic number.

It is an amenable number.

1054388 is a deficient number, since it is larger than the sum of its proper divisors (790798).

1054388 is a wasteful number, since it uses less digits than its factorization.

1054388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263601 (or 263599 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1054388 is about 1026.8339690524. The cubic root of 1054388 is about 101.7810245329.

Adding to 1054388 its reverse (8834501), we get a palindrome (9888889).

The spelling of 1054388 in words is "one million, fifty-four thousand, three hundred eighty-eight".