39070890 has 64 divisors (see below), whose sum is σ = 107032320. Its totient is φ = 10134720.

The previous prime is 39070847. The next prime is 39070891. The reversal of 39070890 is 9807093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39070891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8035 + ... + 11945.

It is an arithmetic number, because the mean of its divisors is an integer number (1672380).

Almost surely, 2^39070890 is an apocalyptic number.

39070890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39070890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53516160).

39070890 is an abundant number, since it is smaller than the sum of its proper divisors (67961430).

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

39070890 is a wasteful number, since it uses less digits than its factorization.

39070890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 39070890 is about 6250.6711639631. The cubic root of 39070890 is about 339.3264925634.

The spelling of 39070890 in words is "thirty-nine million, seventy thousand, eight hundred ninety".