993141837 has 32 divisors (see below), whose sum is σ = 1563056000. Its totient is φ = 621457920.

The previous prime is 993141829. The next prime is 993141839. The reversal of 993141837 is 738141399.

It is not a de Polignac number, because 993141837 - 2³ = 993141829 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 993141792 and 993141801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993141839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47037 + ... + 64797.

It is an arithmetic number, because the mean of its divisors is an integer number (48845500).

Almost surely, 2^993141837 is an apocalyptic number.

It is an amenable number.

993141837 is a deficient number, since it is larger than the sum of its proper divisors (569914163).

993141837 is a wasteful number, since it uses less digits than its factorization.

993141837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17898 (or 17892 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 993141837 is about 31514.1529633909. The cubic root of 993141837 is about 997.7086996191.

The spelling of 993141837 in words is "nine hundred ninety-three million, one hundred forty-one thousand, eight hundred thirty-seven".