1993706 has 16 divisors (see below), whose sum is σ = 3513888. Its totient is φ = 836400.

The previous prime is 1993699. The next prime is 1993711. The reversal of 1993706 is 6073991.

It is a super-2 number, since 2×1993706² = 7949727228872, which contains 22 as substring.

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, 3200 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (219618).

2^1993706 is an apocalyptic number.

1993706 is a deficient number, since it is larger than the sum of its proper divisors (1520182).

1993706 is a wasteful number, since it uses less digits than its factorization.

1993706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1993706 is about 1411.9865438452. The cubic root of 1993706 is about 125.8598003866.

The spelling of 1993706 in words is "one million, nine hundred ninety-three thousand, seven hundred six".