1530870 has 32 divisors (see below), whose sum is σ = 4008960. Its totient is φ = 371040.

The previous prime is 1530869. The next prime is 1530871. The reversal of 1530870 is 780351.

It is an interprime number because it is at equal distance from previous prime (1530869) and next prime (1530871).

It is a self number, because there is not a number n which added to its sum of digits gives 1530870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990 + ... + 2649.

It is an arithmetic number, because the mean of its divisors is an integer number (125280).

2^1530870 is an apocalyptic number.

1530870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1530870 is an abundant number, since it is smaller than the sum of its proper divisors (2478090).

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

1530870 is a wasteful number, since it uses less digits than its factorization.

1530870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1530870 is about 1237.2833143626. The cubic root of 1530870 is about 115.2513720049.

The spelling of 1530870 in words is "one million, five hundred thirty thousand, eight hundred seventy".