33540398 has 8 divisors (see below), whose sum is σ = 50947680. Its totient is φ = 16557840.

The previous prime is 33540391. The next prime is 33540413. The reversal of 33540398 is 89304533.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33540398² = 2249916595996808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33540391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105983 + ... + 106298.

It is an arithmetic number, because the mean of its divisors is an integer number (6368460).

Almost surely, 2^33540398 is an apocalyptic number.

33540398 is a deficient number, since it is larger than the sum of its proper divisors (17407282).

33540398 is a wasteful number, since it uses less digits than its factorization.

33540398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212362.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 33540398 is about 5791.4072555813. The cubic root of 33540398 is about 322.4948155327.

The spelling of 33540398 in words is "thirty-three million, five hundred forty thousand, three hundred ninety-eight".