39427942 has 8 divisors (see below), whose sum is σ = 59169600. Its totient is φ = 19704744.

The previous prime is 39427931. The next prime is 39427943. The reversal of 39427942 is 24972493.

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

It is a super-2 number, since 2×39427942² = 3109125220710728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39427895 and 39427904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39427943) 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, 3784 + ... + 9652.

It is an arithmetic number, because the mean of its divisors is an integer number (7396200).

Almost surely, 2^39427942 is an apocalyptic number.

39427942 is a deficient number, since it is larger than the sum of its proper divisors (19741658).

39427942 is a wasteful number, since it uses less digits than its factorization.

39427942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230.

The product of its digits is 108864, while the sum is 40.

The square root of 39427942 is about 6279.1673014819. The cubic root of 39427942 is about 340.3570125357.

The spelling of 39427942 in words is "thirty-nine million, four hundred twenty-seven thousand, nine hundred forty-two".