1966330 has 16 divisors (see below), whose sum is σ = 3654144. Its totient is φ = 761040.

The previous prime is 1966303. The next prime is 1966331. The reversal of 1966330 is 336691.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1966331) 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, 2862 + ... + 3481.

It is an arithmetic number, because the mean of its divisors is an integer number (228384).

2^1966330 is an apocalyptic number.

1966330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1966330 is a deficient number, since it is larger than the sum of its proper divisors (1687814).

1966330 is a wasteful number, since it uses less digits than its factorization.

1966330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 1966330 is about 1402.2588919312. The cubic root of 1966330 is about 125.2810741714.

The spelling of 1966330 in words is "one million, nine hundred sixty-six thousand, three hundred thirty".