34387942 has 8 divisors (see below), whose sum is σ = 51625800. Its totient is φ = 17179344.

The previous prime is 34387933. The next prime is 34387949. The reversal of 34387942 is 24978343.

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 = 34387895 and 34387904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34387949) 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, 4092 + ... + 9247.

It is an arithmetic number, because the mean of its divisors is an integer number (6453225).

Almost surely, 2^34387942 is an apocalyptic number.

34387942 is a deficient number, since it is larger than the sum of its proper divisors (17237858).

34387942 is a wasteful number, since it uses less digits than its factorization.

34387942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14630.

The product of its digits is 145152, while the sum is 40.

The square root of 34387942 is about 5864.1232933832. The cubic root of 34387942 is about 325.1886620584.

The spelling of 34387942 in words is "thirty-four million, three hundred eighty-seven thousand, nine hundred forty-two".