1954660 has 24 divisors (see below), whose sum is σ = 4347000. Its totient is φ = 735744.

The previous prime is 1954649. The next prime is 1954661. The reversal of 1954660 is 664591.

It can be written as a sum of positive squares in 4 ways, for example, as 39204 + 1915456 = 198^2 + 1384^2 .

It is not an unprimeable number, because it can be changed into a prime (1954661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2535 + ... + 3214.

It is an arithmetic number, because the mean of its divisors is an integer number (181125).

2^1954660 is an apocalyptic number.

1954660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1954660 is an abundant number, since it is smaller than the sum of its proper divisors (2392340).

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

1954660 is a wasteful number, since it uses less digits than its factorization.

1954660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775 (or 5773 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1954660 is about 1398.0915563725. The cubic root of 1954660 is about 125.0327380917.

The spelling of 1954660 in words is "one million, nine hundred fifty-four thousand, six hundred sixty".