1457430 has 64 divisors (see below), whose sum is σ = 3907008. Its totient is φ = 345600.

The previous prime is 1457429. The next prime is 1457437. The reversal of 1457430 is 347541.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1457430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457437) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 14380 + ... + 14480.

It is an arithmetic number, because the mean of its divisors is an integer number (61047).

2^1457430 is an apocalyptic number.

1457430 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 1457430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1953504).

1457430 is an abundant number, since it is smaller than the sum of its proper divisors (2449578).

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

1457430 is a wasteful number, since it uses less digits than its factorization.

1457430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 1457430 is about 1207.2406553790. The cubic root of 1457430 is about 113.3781157126.

The spelling of 1457430 in words is "one million, four hundred fifty-seven thousand, four hundred thirty".