424400437 has 2 divisors, whose sum is σ = 424400438. Its totient is φ = 424400436.

The previous prime is 424400429. The next prime is 424400467. The reversal of 424400437 is 734004424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301057201 + 123343236 = 17351^2 + 11106^2 .

It is a cyclic number.

It is not a de Polignac number, because 424400437 - 2³ = 424400429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424400407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212200218 + 212200219.

It is an arithmetic number, because the mean of its divisors is an integer number (212200219).

Almost surely, 2^424400437 is an apocalyptic number.

It is an amenable number.

424400437 is a deficient number, since it is larger than the sum of its proper divisors (1).

424400437 is an equidigital number, since it uses as much as digits as its factorization.

424400437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 424400437 is about 20600.9814572025. The cubic root of 424400437 is about 751.4935789142.

The spelling of 424400437 in words is "four hundred twenty-four million, four hundred thousand, four hundred thirty-seven".