1490424 has 64 divisors (see below), whose sum is σ = 4263840. Its totient is φ = 430080.

The previous prime is 1490381. The next prime is 1490429. The reversal of 1490424 is 4240941.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1490394 and 1490403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5164 + ... + 5444.

2^1490424 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 1490424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2131920).

1490424 is an abundant number, since it is smaller than the sum of its proper divisors (2773416).

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

1490424 is a wasteful number, since it uses less digits than its factorization.

1490424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1490424 is about 1220.8292263867. The cubic root of 1490424 is about 114.2273088476.

The spelling of 1490424 in words is "one million, four hundred ninety thousand, four hundred twenty-four".