32991948 has 60 divisors (see below), whose sum is σ = 94098312. Its totient is φ = 9996480.

The previous prime is 32991947. The next prime is 32991983. The reversal of 32991948 is 84919923.

It is not an unprimeable number, because it can be changed into a prime (32991947) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1065 + ... + 8192.

Almost surely, 2^32991948 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 32991948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47049156).

32991948 is an abundant number, since it is smaller than the sum of its proper divisors (61106364).

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

32991948 is a wasteful number, since it uses less digits than its factorization.

32991948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284 (or 9273 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 32991948 is about 5743.8617671389. The cubic root of 32991948 is about 320.7273429316.

The spelling of 32991948 in words is "thirty-two million, nine hundred ninety-one thousand, nine hundred forty-eight".