39149242 has 8 divisors (see below), whose sum is σ = 64062432. Its totient is φ = 17795100.

The previous prime is 39149237. The next prime is 39149321. The reversal of 39149242 is 24294193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 39149198 and 39149207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889734 + ... + 889777.

It is an arithmetic number, because the mean of its divisors is an integer number (8007804).

Almost surely, 2^39149242 is an apocalyptic number.

39149242 is a deficient number, since it is larger than the sum of its proper divisors (24913190).

39149242 is a wasteful number, since it uses less digits than its factorization.

39149242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779524.

The product of its digits is 15552, while the sum is 34.

The square root of 39149242 is about 6256.9355118940. The cubic root of 39149242 is about 339.5531673489.

The spelling of 39149242 in words is "thirty-nine million, one hundred forty-nine thousand, two hundred forty-two".