1409730 has 64 divisors (see below), whose sum is σ = 3974400. Its totient is φ = 319872.

The previous prime is 1409717. The next prime is 1409731. The reversal of 1409730 is 379041.

It is a self number, because there is not a number n which added to its sum of digits gives 1409730.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10222 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (62100).

2^1409730 is an apocalyptic number.

1409730 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 1409730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1987200).

1409730 is an abundant number, since it is smaller than the sum of its proper divisors (2564670).

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

1409730 is a wasteful number, since it uses less digits than its factorization.

1409730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1409730 is about 1187.3205127513. The cubic root of 1409730 is about 112.1274590598.

It can be divided in two parts, 140 and 9730, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 1409730 in words is "one million, four hundred nine thousand, seven hundred thirty".