39040230 has 32 divisors (see below), whose sum is σ = 95099904. Its totient is φ = 10254816.

The previous prime is 39040229. The next prime is 39040247. The reversal of 39040230 is 3204093.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39040197 and 39040206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7702 + ... + 11721.

It is an arithmetic number, because the mean of its divisors is an integer number (2971872).

Almost surely, 2^39040230 is an apocalyptic number.

39040230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39040230 is an abundant number, since it is smaller than the sum of its proper divisors (56059674).

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

39040230 is a wasteful number, since it uses less digits than its factorization.

39040230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19500.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 39040230 is about 6248.2181459997. The cubic root of 39040230 is about 339.2377097312.

The spelling of 39040230 in words is "thirty-nine million, forty thousand, two hundred thirty".