33464381 has 8 divisors (see below), whose sum is σ = 35484984. Its totient is φ = 31449600.

The previous prime is 33464371. The next prime is 33464399. The reversal of 33464381 is 18346433.

33464381 = 4090² + 4091².

It can be written as a sum of positive squares in 4 ways, for example, as 12716356 + 20748025 = 3566^2 + 4555^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 33464381 - 2¹⁸ = 33202237 is a prime.

It is a super-2 number, since 2×33464381² = 2239729591426322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33464311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17681 + ... + 19481.

It is an arithmetic number, because the mean of its divisors is an integer number (4435623).

Almost surely, 2^33464381 is an apocalyptic number.

33464381 is the 4091-st centered square number.

It is an amenable number.

33464381 is a deficient number, since it is larger than the sum of its proper divisors (2020603).

33464381 is a wasteful number, since it uses less digits than its factorization.

33464381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911.

The product of its digits is 20736, while the sum is 32.

The square root of 33464381 is about 5784.8406201035. The cubic root of 33464381 is about 322.2509938152.

The spelling of 33464381 in words is "thirty-three million, four hundred sixty-four thousand, three hundred eighty-one".