34400424 has 16 divisors (see below), whose sum is σ = 86001120. Its totient is φ = 11466800.

The previous prime is 34400411. The next prime is 34400449. The reversal of 34400424 is 42400443.

It is a self number, because there is not a number n which added to its sum of digits gives 34400424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716652 + ... + 716699.

It is an arithmetic number, because the mean of its divisors is an integer number (5375070).

Almost surely, 2^34400424 is an apocalyptic number.

It is an amenable number.

34400424 is an abundant number, since it is smaller than the sum of its proper divisors (51600696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34400424 is a wasteful number, since it uses less digits than its factorization.

34400424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433360 (or 1433356 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 34400424 is about 5865.1874650347. The cubic root of 34400424 is about 325.2280025329.

Adding to 34400424 its reverse (42400443), we get a palindrome (76800867).

The spelling of 34400424 in words is "thirty-four million, four hundred thousand, four hundred twenty-four".