38436345 has 12 divisors (see below), whose sum is σ = 66623076. Its totient is φ = 20499360.

The previous prime is 38436313. The next prime is 38436353. The reversal of 38436345 is 54363483.

It can be written as a sum of positive squares in 2 ways, for example, as 12027024 + 26409321 = 3468^2 + 5139^2 .

It is not a de Polignac number, because 38436345 - 2⁵ = 38436313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427026 + ... + 427115.

It is an arithmetic number, because the mean of its divisors is an integer number (5551923).

Almost surely, 2^38436345 is an apocalyptic number.

It is an amenable number.

38436345 is a deficient number, since it is larger than the sum of its proper divisors (28186731).

38436345 is a wasteful number, since it uses less digits than its factorization.

38436345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854152 (or 854149 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 38436345 is about 6199.7052349285. The cubic root of 38436345 is about 337.4794720025.

It can be divided in two parts, 38436 and 345, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 38436345 in words is "thirty-eight million, four hundred thirty-six thousand, three hundred forty-five".