1490860 has 48 divisors (see below), whose sum is σ = 3741696. Its totient is φ = 487872.

The previous prime is 1490843. The next prime is 1490869. The reversal of 1490860 is 680941.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1490869) 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, 2989 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (77952).

2^1490860 is an apocalyptic number.

1490860 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 1490860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870848).

1490860 is an abundant number, since it is smaller than the sum of its proper divisors (2250836).

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

1490860 is a wasteful number, since it uses less digits than its factorization.

1490860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1490860 is about 1221.0077804830. The cubic root of 1490860 is about 114.2384462266.

The spelling of 1490860 in words is "one million, four hundred ninety thousand, eight hundred sixty".