1350624 has 48 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 408960.

The previous prime is 1350623. The next prime is 1350641. The reversal of 1350624 is 4260531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1350624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350623) 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, 417 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^1350624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1350624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935360).

1350624 is an abundant number, since it is smaller than the sum of its proper divisors (2520096).

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

1350624 is a wasteful number, since it uses less digits than its factorization.

1350624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1350624 is about 1162.1634996850. The cubic root of 1350624 is about 110.5379707485.

It can be divided in two parts, 13506 and 24, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 1350624 in words is "one million, three hundred fifty thousand, six hundred twenty-four".