1047400 has 24 divisors (see below), whose sum is σ = 2435670. Its totient is φ = 418880.

The previous prime is 1047391. The next prime is 1047419. The reversal of 1047400 is 47401.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 933156 + 114244 = 966^2 + 338^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2419 + ... + 2818.

2^1047400 is an apocalyptic number.

1047400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047400 is an abundant number, since it is smaller than the sum of its proper divisors (1388270).

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

1047400 is a wasteful number, since it uses less digits than its factorization.

1047400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253 (or 5244 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1047400 is about 1023.4256201601. The cubic root of 1047400 is about 101.5556733084. Note that the first 3 decimals are identical.

Subtracting from 1047400 its reverse (47401), we obtain a palindrome (999999).

The spelling of 1047400 in words is "one million, forty-seven thousand, four hundred".