38690461 has 4 divisors (see below), whose sum is σ = 38704000. Its totient is φ = 38676924.

The previous prime is 38690459. The next prime is 38690467. The reversal of 38690461 is 16409683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16409683 = 2711 ⋅6053.

It is a cyclic number.

It is not a de Polignac number, because 38690461 - 2¹ = 38690459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38690461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38690467) 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, 621 + ... + 8818.

It is an arithmetic number, because the mean of its divisors is an integer number (9676000).

Almost surely, 2^38690461 is an apocalyptic number.

It is an amenable number.

38690461 is a deficient number, since it is larger than the sum of its proper divisors (13539).

38690461 is an equidigital number, since it uses as much as digits as its factorization.

38690461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13538.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 38690461 is about 6220.1656730348. The cubic root of 38690461 is about 338.2215702311.

The spelling of 38690461 in words is "thirty-eight million, six hundred ninety thousand, four hundred sixty-one".