38741621 has 4 divisors (see below), whose sum is σ = 38847552. Its totient is φ = 38635692.

The previous prime is 38741587. The next prime is 38741641. The reversal of 38741621 is 12614783.

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.

It is a cyclic number.

It is not a de Polignac number, because 38741621 - 2⁶ = 38741557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38741641) 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, 52415 + ... + 53148.

It is an arithmetic number, because the mean of its divisors is an integer number (9711888).

Almost surely, 2^38741621 is an apocalyptic number.

It is an amenable number.

38741621 is a deficient number, since it is larger than the sum of its proper divisors (105931).

38741621 is a wasteful number, since it uses less digits than its factorization.

38741621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105930.

The product of its digits is 8064, while the sum is 32.

The square root of 38741621 is about 6224.2767451327. The cubic root of 38741621 is about 338.3705802108.

The spelling of 38741621 in words is "thirty-eight million, seven hundred forty-one thousand, six hundred twenty-one".