38269405 has 8 divisors (see below), whose sum is σ = 46378584. Its totient is φ = 30312000.

The previous prime is 38269381. The next prime is 38269457. The reversal of 38269405 is 50496283.

It can be written as a sum of positive squares in 4 ways, for example, as 7322436 + 30946969 = 2706^2 + 5563^2 .

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

It is not a de Polignac number, because 38269405 - 2¹⁵ = 38236637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37386 + ... + 38395.

It is an arithmetic number, because the mean of its divisors is an integer number (5797323).

Almost surely, 2^38269405 is an apocalyptic number.

It is an amenable number.

38269405 is a deficient number, since it is larger than the sum of its proper divisors (8109179).

38269405 is a wasteful number, since it uses less digits than its factorization.

38269405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75887.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 38269405 is about 6186.2270407737. The cubic root of 38269405 is about 336.9901730882.

It can be divided in two parts, 3826 and 9405, that added together give a palindrome (13231).

The spelling of 38269405 in words is "thirty-eight million, two hundred sixty-nine thousand, four hundred five".