33400147 has 8 divisors (see below), whose sum is σ = 36642240. Its totient is φ = 30192360.

The previous prime is 33400139. The next prime is 33400151. The reversal of 33400147 is 74100433.

It is a happy number.

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

It is not a de Polignac number, because 33400147 - 2³ = 33400139 is a prime.

It is a super-2 number, since 2×33400147² = 2231139639243218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33400177) 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, 6513 + ... + 10450.

It is an arithmetic number, because the mean of its divisors is an integer number (4580280).

Almost surely, 2^33400147 is an apocalyptic number.

33400147 is a deficient number, since it is larger than the sum of its proper divisors (3242093).

33400147 is a wasteful number, since it uses less digits than its factorization.

33400147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17153.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 33400147 is about 5779.2860285679. The cubic root of 33400147 is about 322.0446776477.

The spelling of 33400147 in words is "thirty-three million, four hundred thousand, one hundred forty-seven".