1055394 has 24 divisors (see below), whose sum is σ = 2421900. Its totient is φ = 331008.

The previous prime is 1055387. The next prime is 1055399. The reversal of 1055394 is 4935501.

It can be written as a sum of positive squares in 2 ways, for example, as 1010025 + 45369 = 1005^2 + 213^2 .

It is a super-2 number, since 2×1055394² = 2227712990472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055399) 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 11 ways as a sum of consecutive naturals, for example, 1419 + ... + 2030.

2^1055394 is an apocalyptic number.

1055394 is an abundant number, since it is smaller than the sum of its proper divisors (1366506).

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

1055394 is a wasteful number, since it uses less digits than its factorization.

1055394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474 (or 3471 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1055394 is about 1027.3237075041. The cubic root of 1055394 is about 101.8133842726.

The spelling of 1055394 in words is "one million, fifty-five thousand, three hundred ninety-four".