4405431 has 8 divisors (see below), whose sum is σ = 6219504. Its totient is φ = 2764160.

The previous prime is 4405421. The next prime is 4405433. The reversal of 4405431 is 1345044.

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

It is a cyclic number.

It is not a de Polignac number, because 4405431 - 2⁶ = 4405367 is a prime.

It is a super-2 number, since 2×4405431² = 38815644591522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4405398 and 4405407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405433) 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, 43140 + ... + 43241.

It is an arithmetic number, because the mean of its divisors is an integer number (777438).

Almost surely, 2^4405431 is an apocalyptic number.

4405431 is a deficient number, since it is larger than the sum of its proper divisors (1814073).

4405431 is a wasteful number, since it uses less digits than its factorization.

4405431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86401.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4405431 is about 2098.9118609413. The cubic root of 4405431 is about 163.9316466092.

The spelling of 4405431 in words is "four million, four hundred five thousand, four hundred thirty-one".