33438948 has 12 divisors (see below), whose sum is σ = 78024240. Its totient is φ = 11146312.

The previous prime is 33438947. The next prime is 33438953. The reversal of 33438948 is 84983433.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33438948² = 2236326486693408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33438947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393278 + ... + 1393301.

It is an arithmetic number, because the mean of its divisors is an integer number (6502020).

Almost surely, 2^33438948 is an apocalyptic number.

It is an amenable number.

33438948 is an abundant number, since it is smaller than the sum of its proper divisors (44585292).

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

33438948 is a wasteful number, since it uses less digits than its factorization.

33438948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786586 (or 2786584 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 33438948 is about 5782.6419567530. The cubic root of 33438948 is about 322.1693359805.

The spelling of 33438948 in words is "thirty-three million, four hundred thirty-eight thousand, nine hundred forty-eight".