993531434 has 16 divisors (see below), whose sum is σ = 1744739136. Its totient is φ = 415413600.

The previous prime is 993531373. The next prime is 993531457. The reversal of 993531434 is 434135399.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 993531391 and 993531400.

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, 864872 + ... + 866019.

It is an arithmetic number, because the mean of its divisors is an integer number (109046196).

Almost surely, 2^993531434 is an apocalyptic number.

993531434 is a deficient number, since it is larger than the sum of its proper divisors (751207702).

993531434 is a wasteful number, since it uses less digits than its factorization.

993531434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730941.

The product of its digits is 174960, while the sum is 41.

The square root of 993531434 is about 31520.3336594015. Note that the first 3 decimals coincide. The cubic root of 993531434 is about 997.8391454040.

The spelling of 993531434 in words is "nine hundred ninety-three million, five hundred thirty-one thousand, four hundred thirty-four".