1490724 has 60 divisors (see below), whose sum is σ = 4024944. Its totient is φ = 480816.

The previous prime is 1490717. The next prime is 1490729. The reversal of 1490724 is 4270941.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1490729) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13879 + ... + 13985.

2^1490724 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 1490724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2012472).

1490724 is an abundant number, since it is smaller than the sum of its proper divisors (2534220).

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

1490724 is a wasteful number, since it uses less digits than its factorization.

1490724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1490724 is about 1220.9520875120. The cubic root of 1490724 is about 114.2349724149.

The spelling of 1490724 in words is "one million, four hundred ninety thousand, seven hundred twenty-four".