34406431 has 4 divisors (see below), whose sum is σ = 34533664. Its totient is φ = 34279200.

The previous prime is 34406423. The next prime is 34406467. The reversal of 34406431 is 13460443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13460443 = 61 ⋅220663.

It is a cyclic number.

It is not a de Polignac number, because 34406431 - 2³ = 34406423 is a prime.

It is a super-2 number, since 2×34406431² = 2367604988315522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34406396 and 34406405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34406231) 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, 63210 + ... + 63751.

It is an arithmetic number, because the mean of its divisors is an integer number (8633416).

Almost surely, 2^34406431 is an apocalyptic number.

34406431 is a deficient number, since it is larger than the sum of its proper divisors (127233).

34406431 is a wasteful number, since it uses less digits than its factorization.

34406431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127232.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 34406431 is about 5865.6995320251. The cubic root of 34406431 is about 325.2469318627.

Adding to 34406431 its reverse (13460443), we get a palindrome (47866874).

The spelling of 34406431 in words is "thirty-four million, four hundred six thousand, four hundred thirty-one".