38432641 has 4 divisors (see below), whose sum is σ = 41389012. Its totient is φ = 35476272.

The previous prime is 38432633. The next prime is 38432663. The reversal of 38432641 is 14623483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14137600 + 24295041 = 3760^2 + 4929^2 .

It is not a de Polignac number, because 38432641 - 2³ = 38432633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38432341) 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, 1478166 + ... + 1478191.

It is an arithmetic number, because the mean of its divisors is an integer number (10347253).

Almost surely, 2^38432641 is an apocalyptic number.

It is an amenable number.

38432641 is a deficient number, since it is larger than the sum of its proper divisors (2956371).

38432641 is a wasteful number, since it uses less digits than its factorization.

38432641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956370.

The product of its digits is 13824, while the sum is 31.

The square root of 38432641 is about 6199.4065038518. The cubic root of 38432641 is about 337.4686310123.

The spelling of 38432641 in words is "thirty-eight million, four hundred thirty-two thousand, six hundred forty-one".