1993434 has 16 divisors (see below), whose sum is σ = 4001088. Its totient is φ = 662112.

The previous prime is 1993417. The next prime is 1993441. The reversal of 1993434 is 4343991.

It is a super-2 number, since 2×1993434² = 7947558224712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1993395 and 1993404.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2379 + ... + 3105.

It is an arithmetic number, because the mean of its divisors is an integer number (250068).

2^1993434 is an apocalyptic number.

1993434 is an abundant number, since it is smaller than the sum of its proper divisors (2007654).

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

1993434 is a wasteful number, since it uses less digits than its factorization.

1993434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its digits is 11664, while the sum is 33.

The square root of 1993434 is about 1411.8902223615. The cubic root of 1993434 is about 125.8540764697.

The spelling of 1993434 in words is "one million, nine hundred ninety-three thousand, four hundred thirty-four".