31794984 has 128 divisors (see below), whose sum is σ = 97104000. Its totient is φ = 9637056.

The previous prime is 31794953. The next prime is 31794989. The reversal of 31794984 is 48949713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31794989) 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, 474519 + ... + 474585.

It is an arithmetic number, because the mean of its divisors is an integer number (758625).

Almost surely, 2^31794984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31794984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48552000).

31794984 is an abundant number, since it is smaller than the sum of its proper divisors (65309016).

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

31794984 is a wasteful number, since it uses less digits than its factorization.

31794984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 85 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 31794984 is about 5638.7041064415. The cubic root of 31794984 is about 316.8007518348.

The spelling of 31794984 in words is "thirty-one million, seven hundred ninety-four thousand, nine hundred eighty-four".