38690460 has 144 divisors (see below), whose sum is σ = 128419200. Its totient is φ = 9751104.

The previous prime is 38690459. The next prime is 38690467. The reversal of 38690460 is 6409683.

It is a super-3 number, since 3×38690460³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38690467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92131 + ... + 92549.

It is an arithmetic number, because the mean of its divisors is an integer number (891800).

Almost surely, 2^38690460 is an apocalyptic number.

38690460 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 38690460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64209600).

38690460 is an abundant number, since it is smaller than the sum of its proper divisors (89728740).

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

38690460 is a wasteful number, since it uses less digits than its factorization.

38690460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 38690460 is about 6220.1655926511. The cubic root of 38690460 is about 338.2215673172.

The spelling of 38690460 in words is "thirty-eight million, six hundred ninety thousand, four hundred sixty".