38198706 has 64 divisors (see below), whose sum is σ = 96273408. Its totient is φ = 9834048.

The previous prime is 38198669. The next prime is 38198767. The reversal of 38198706 is 60789183.

It is a super-2 number, since 2×38198706² = 2918282280148872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

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, 22665 + ... + 24291.

It is an arithmetic number, because the mean of its divisors is an integer number (1504272).

Almost surely, 2^38198706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38198706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48136704).

38198706 is an abundant number, since it is smaller than the sum of its proper divisors (58074702).

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

38198706 is a wasteful number, since it uses less digits than its factorization.

38198706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 38198706 is about 6180.5101731168. The cubic root of 38198706 is about 336.7825263210.

The spelling of 38198706 in words is "thirty-eight million, one hundred ninety-eight thousand, seven hundred six".