4290431 has 4 divisors (see below), whose sum is σ = 4428864. Its totient is φ = 4152000.

The previous prime is 4290427. The next prime is 4290437. The reversal of 4290431 is 1340924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4290431 - 2² = 4290427 is a prime.

It is a super-2 number, since 2×4290431² = 36815596331522, 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 = 4290397 and 4290406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4290437) 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, 69170 + ... + 69231.

It is an arithmetic number, because the mean of its divisors is an integer number (1107216).

Almost surely, 2^4290431 is an apocalyptic number.

4290431 is a deficient number, since it is larger than the sum of its proper divisors (138433).

4290431 is a wasteful number, since it uses less digits than its factorization.

4290431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138432.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4290431 is about 2071.3355594881. The cubic root of 4290431 is about 162.4926197832.

The spelling of 4290431 in words is "four million, two hundred ninety thousand, four hundred thirty-one".