1456990 has 16 divisors (see below), whose sum is σ = 2636352. Its totient is φ = 579744.

The previous prime is 1456963. The next prime is 1457011. The reversal of 1456990 is 996541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3472 + ... + 3868.

It is an arithmetic number, because the mean of its divisors is an integer number (164772).

2^1456990 is an apocalyptic number.

1456990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1456990 is a deficient number, since it is larger than the sum of its proper divisors (1179362).

1456990 is a wasteful number, since it uses less digits than its factorization.

1456990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1456990 is about 1207.0584078660. The cubic root of 1456990 is about 113.3667048977.

The spelling of 1456990 in words is "one million, four hundred fifty-six thousand, nine hundred ninety".