39797760 has 88 divisors (see below), whose sum is σ = 127339776. Its totient is φ = 10608640.

The previous prime is 39797759. The next prime is 39797783. The reversal of 39797760 is 6779793.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14065 + ... + 16655.

Almost surely, 2^39797760 is an apocalyptic number.

39797760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39797760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63669888).

39797760 is an abundant number, since it is smaller than the sum of its proper divisors (87542016).

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

39797760 is a wasteful number, since it uses less digits than its factorization.

39797760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 500094, while the sum is 48.

The square root of 39797760 is about 6308.5465838020. The cubic root of 39797760 is about 341.4178393197.

The spelling of 39797760 in words is "thirty-nine million, seven hundred ninety-seven thousand, seven hundred sixty".