33400342 has 8 divisors (see below), whose sum is σ = 53047656. Its totient is φ = 15717792.

The previous prime is 33400333. The next prime is 33400343. The reversal of 33400342 is 24300433.

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

It is a super-2 number, since 2×33400342² = 2231165691433928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33400343) 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, 491148 + ... + 491215.

It is an arithmetic number, because the mean of its divisors is an integer number (6630957).

Almost surely, 2^33400342 is an apocalyptic number.

33400342 is a deficient number, since it is larger than the sum of its proper divisors (19647314).

33400342 is a wasteful number, since it uses less digits than its factorization.

33400342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982382.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 33400342 is about 5779.3028991393. The cubic root of 33400342 is about 322.0453043774.

Adding to 33400342 its reverse (24300433), we get a palindrome (57700775).

Subtracting from 33400342 its reverse (24300433), we obtain a palindrome (9099909).

The spelling of 33400342 in words is "thirty-three million, four hundred thousand, three hundred forty-two".