1047490 has 24 divisors (see below), whose sum is σ = 1966140. Its totient is φ = 401760.

The previous prime is 1047479. The next prime is 1047491. The reversal of 1047490 is 947401.

It can be written as a sum of positive squares in 2 ways, for example, as 1046529 + 961 = 1023^2 + 31^2 .

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1047491) 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, 9556 + ... + 9664.

2^1047490 is an apocalyptic number.

1047490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1047490 is a deficient number, since it is larger than the sum of its proper divisors (918650).

1047490 is a wasteful number, since it uses less digits than its factorization.

1047490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1047490 is about 1023.4695891916. The cubic root of 1047490 is about 101.5585820185.

The spelling of 1047490 in words is "one million, forty-seven thousand, four hundred ninety".