1509930 has 48 divisors (see below), whose sum is σ = 4137120. Its totient is φ = 381024.

The previous prime is 1509929. The next prime is 1509941. The reversal of 1509930 is 399051.

It is a junction number, because it is equal to n+sod(n) for n = 1509894 and 1509903.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1269 + ... + 2151.

It is an arithmetic number, because the mean of its divisors is an integer number (86190).

2^1509930 is an apocalyptic number.

1509930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1509930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2068560).

1509930 is an abundant number, since it is smaller than the sum of its proper divisors (2627190).

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

1509930 is a wasteful number, since it uses less digits than its factorization.

1509930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 1509930 is about 1228.7920898183. The cubic root of 1509930 is about 114.7234691679.

It can be divided in two parts, 15099 and 30, that added together give a square (15129 = 123²).

The spelling of 1509930 in words is "one million, five hundred nine thousand, nine hundred thirty".