38680746 has 64 divisors (see below), whose sum is σ = 91155456. Its totient is φ = 10828800.

The previous prime is 38680711. The next prime is 38680757. The reversal of 38680746 is 64708683.

It is a super-2 number, since 2×38680746² = 2992400222233032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38680698 and 38680707.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40636 + ... + 41576.

It is an arithmetic number, because the mean of its divisors is an integer number (1424304).

Almost surely, 2^38680746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38680746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45577728).

38680746 is an abundant number, since it is smaller than the sum of its proper divisors (52474710).

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

38680746 is a wasteful number, since it uses less digits than its factorization.

38680746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 38680746 is about 6219.3846962541. The cubic root of 38680746 is about 338.1932592252.

The spelling of 38680746 in words is "thirty-eight million, six hundred eighty thousand, seven hundred forty-six".