1466660 has 24 divisors (see below), whose sum is σ = 3317496. Its totient is φ = 541440.

The previous prime is 1466659. The next prime is 1466677. The reversal of 1466660 is 666641.

It can be written as a sum of positive squares in 4 ways, for example, as 295936 + 1170724 = 544^2 + 1082^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2561 + ... + 3080.

It is an arithmetic number, because the mean of its divisors is an integer number (138229).

2^1466660 is an apocalyptic number.

1466660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1466660 is an abundant number, since it is smaller than the sum of its proper divisors (1850836).

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

1466660 is a wasteful number, since it uses less digits than its factorization.

1466660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663 (or 5661 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1466660 is about 1211.0573892265. The cubic root of 1466660 is about 113.6169559098.

The spelling of 1466660 in words is "one million, four hundred sixty-six thousand, six hundred sixty".