1540030 has 16 divisors (see below), whose sum is σ = 2935440. Its totient is φ = 579712.

The previous prime is 1540027. The next prime is 1540031. The reversal of 1540030 is 300451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4360 + ... + 4699.

It is an arithmetic number, because the mean of its divisors is an integer number (183465).

2^1540030 is an apocalyptic number.

1540030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540030 is a deficient number, since it is larger than the sum of its proper divisors (1395410).

1540030 is a wasteful number, since it uses less digits than its factorization.

1540030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9083.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1540030 is about 1240.9794518847. The cubic root of 1540030 is about 115.4807848946.

Adding to 1540030 its reverse (300451), we get a palindrome (1840481).

The spelling of 1540030 in words is "one million, five hundred forty thousand, thirty".