33400234 has 16 divisors (see below), whose sum is σ = 57486528. Its totient is φ = 14257152.

The previous prime is 33400219. The next prime is 33400247. The reversal of 33400234 is 43200433.

It is a super-2 number, since 2×33400234² = 2231151262509512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044 + ... + 8239.

It is an arithmetic number, because the mean of its divisors is an integer number (3592908).

Almost surely, 2^33400234 is an apocalyptic number.

33400234 is a deficient number, since it is larger than the sum of its proper divisors (24086294).

33400234 is a wasteful number, since it uses less digits than its factorization.

33400234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549.

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

The square root of 33400234 is about 5779.2935554443. The cubic root of 33400234 is about 322.0449572659.

Adding to 33400234 its reverse (43200433), we get a palindrome (76600667).

The spelling of 33400234 in words is "thirty-three million, four hundred thousand, two hundred thirty-four".