1423760 has 60 divisors (see below), whose sum is σ = 3663828. Its totient is φ = 511488.

The previous prime is 1423759. The next prime is 1423781. The reversal of 1423760 is 673241.

It can be written as a sum of positive squares in 6 ways, for example, as 50176 + 1373584 = 224^2 + 1172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38462 + ... + 38498.

2^1423760 is an apocalyptic number.

1423760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1831914).

1423760 is an abundant number, since it is smaller than the sum of its proper divisors (2240068).

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

1423760 is a wasteful number, since it uses less digits than its factorization.

1423760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1423760 is about 1193.2141467482. The cubic root of 1423760 is about 112.4982057327.

The spelling of 1423760 in words is "one million, four hundred twenty-three thousand, seven hundred sixty".