38679629 has 4 divisors (see below), whose sum is σ = 40361376. Its totient is φ = 36997884.

The previous prime is 38679581. The next prime is 38679679. The reversal of 38679629 is 92697683.

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 38679629 - 2⁸ = 38679373 is a prime.

It is a super-2 number, since 2×38679629² = 2992227399155282, 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 (38679679) 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, 840839 + ... + 840884.

It is an arithmetic number, because the mean of its divisors is an integer number (10090344).

Almost surely, 2^38679629 is an apocalyptic number.

It is an amenable number.

38679629 is a deficient number, since it is larger than the sum of its proper divisors (1681747).

38679629 is a wasteful number, since it uses less digits than its factorization.

38679629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681746.

The product of its digits is 979776, while the sum is 50.

The square root of 38679629 is about 6219.2948957257. The cubic root of 38679629 is about 338.1900038114.

The spelling of 38679629 in words is "thirty-eight million, six hundred seventy-nine thousand, six hundred twenty-nine".