1047830 has 16 divisors (see below), whose sum is σ = 2155680. Its totient is φ = 359232.

The previous prime is 1047821. The next prime is 1047833. The reversal of 1047830 is 387401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1047796 and 1047805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7415 + ... + 7554.

It is an arithmetic number, because the mean of its divisors is an integer number (134730).

2^1047830 is an apocalyptic number.

1047830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1047830 is an abundant number, since it is smaller than the sum of its proper divisors (1107850).

1047830 is a wasteful number, since it uses less digits than its factorization.

1047830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14983.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1047830 is about 1023.6356773775. The cubic root of 1047830 is about 101.5695689754.

The spelling of 1047830 in words is "one million, forty-seven thousand, eight hundred thirty".