1490870 has 8 divisors (see below), whose sum is σ = 2683584. Its totient is φ = 596344.

The previous prime is 1490869. The next prime is 1490893. The reversal of 1490870 is 780941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74534 + ... + 74553.

It is an arithmetic number, because the mean of its divisors is an integer number (335448).

2^1490870 is an apocalyptic number.

1490870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1490870 is a deficient number, since it is larger than the sum of its proper divisors (1192714).

1490870 is a wasteful number, since it uses less digits than its factorization.

1490870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149094.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1490870 is about 1221.0118754541. The cubic root of 1490870 is about 114.2387016456.

Subtracting from 1490870 its sum of digits (29), we obtain a square (1490841 = 1221²).

The spelling of 1490870 in words is "one million, four hundred ninety thousand, eight hundred seventy".