38661469 has 16 divisors (see below), whose sum is σ = 48347136. Its totient is φ = 30034800.

The previous prime is 38661463. The next prime is 38661473. The reversal of 38661469 is 96416683.

It is a cyclic number.

It is not a de Polignac number, because 38661469 - 2⁷ = 38661341 is a prime.

It is a super-2 number, since 2×38661469² = 2989418370475922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38661463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36984 + ... + 38014.

It is an arithmetic number, because the mean of its divisors is an integer number (3021696).

Almost surely, 2^38661469 is an apocalyptic number.

It is an amenable number.

38661469 is a deficient number, since it is larger than the sum of its proper divisors (9685667).

38661469 is a wasteful number, since it uses less digits than its factorization.

38661469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536.

The product of its digits is 186624, while the sum is 43.

The square root of 38661469 is about 6217.8347517444. The cubic root of 38661469 is about 338.1370690407.

It can be divided in two parts, 386614 and 69, that added together give a palindrome (386683).

The spelling of 38661469 in words is "thirty-eight million, six hundred sixty-one thousand, four hundred sixty-nine".