1406650 has 24 divisors (see below), whose sum is σ = 2990880. Its totient is φ = 482160.

The previous prime is 1406633. The next prime is 1406651. The reversal of 1406650 is 566041.

It is not an unprimeable number, because it can be changed into a prime (1406651) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1660 + ... + 2359.

It is an arithmetic number, because the mean of its divisors is an integer number (124620).

2^1406650 is an apocalyptic number.

1406650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1406650 is an abundant number, since it is smaller than the sum of its proper divisors (1584230).

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

1406650 is a wasteful number, since it uses less digits than its factorization.

1406650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038 (or 4033 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1406650 is about 1186.0227653802. The cubic root of 1406650 is about 112.0457402459.

The spelling of 1406650 in words is "one million, four hundred six thousand, six hundred fifty".