38429961 has 4 divisors (see below), whose sum is σ = 51239952. Its totient is φ = 25619972.

The previous prime is 38429921. The next prime is 38429969. The reversal of 38429961 is 16992483.

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 38429961 - 2⁹ = 38429449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38429969) 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, 6404991 + ... + 6404996.

It is an arithmetic number, because the mean of its divisors is an integer number (12809988).

Almost surely, 2^38429961 is an apocalyptic number.

It is an amenable number.

38429961 is a deficient number, since it is larger than the sum of its proper divisors (12809991).

38429961 is a wasteful number, since it uses less digits than its factorization.

38429961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12809990.

The product of its digits is 93312, while the sum is 42.

The square root of 38429961 is about 6199.1903503603. The cubic root of 38429961 is about 337.4607866649.

The spelling of 38429961 in words is "thirty-eight million, four hundred twenty-nine thousand, nine hundred sixty-one".