1520434 has 8 divisors (see below), whose sum is σ = 2309760. Its totient is φ = 750516.

The previous prime is 1520423. The next prime is 1520443. The reversal of 1520434 is 4340251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4654 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (288720).

2^1520434 is an apocalyptic number.

1520434 is a deficient number, since it is larger than the sum of its proper divisors (789326).

1520434 is an equidigital number, since it uses as much as digits as its factorization.

1520434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9704.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1520434 is about 1233.0587982736. The cubic root of 1520434 is about 114.9888836136.

Adding to 1520434 its reverse (4340251), we get a palindrome (5860685).

It can be divided in two parts, 15 and 20434, that added together give a square (20449 = 143²).

The spelling of 1520434 in words is "one million, five hundred twenty thousand, four hundred thirty-four".