38695440 has 160 divisors (see below), whose sum is σ = 141705216. Its totient is φ = 8547840.

The previous prime is 38695427. The next prime is 38695463. The reversal of 38695440 is 4459683.

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, 51709 + ... + 52451.

Almost surely, 2^38695440 is an apocalyptic number.

38695440 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 38695440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70852608).

38695440 is an abundant number, since it is smaller than the sum of its proper divisors (103009776).

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

38695440 is a wasteful number, since it uses less digits than its factorization.

38695440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 38695440 is about 6220.5658906566. The cubic root of 38695440 is about 338.2360779670.

The spelling of 38695440 in words is "thirty-eight million, six hundred ninety-five thousand, four hundred forty".