39458742 has 16 divisors (see below), whose sum is σ = 79022640. Its totient is φ = 13135392.

The previous prime is 39458707. The next prime is 39458743. The reversal of 39458742 is 24785493.

It is a junction number, because it is equal to n+sod(n) for n = 39458694 and 39458703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39458743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008 + ... + 8940.

It is an arithmetic number, because the mean of its divisors is an integer number (4938915).

Almost surely, 2^39458742 is an apocalyptic number.

39458742 is an abundant number, since it is smaller than the sum of its proper divisors (39563898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39458742 is a wasteful number, since it uses less digits than its factorization.

39458742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8767.

The product of its digits is 241920, while the sum is 42.

The square root of 39458742 is about 6281.6193771988. The cubic root of 39458742 is about 340.4456152454.

The spelling of 39458742 in words is "thirty-nine million, four hundred fifty-eight thousand, seven hundred forty-two".