38540910 has 32 divisors (see below), whose sum is σ = 93324960. Its totient is φ = 10185728.

The previous prime is 38540903. The next prime is 38540917. The reversal of 38540910 is 1904583.

It is an interprime number because it is at equal distance from previous prime (38540903) and next prime (38540917).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38540917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295 + ... + 9074.

It is an arithmetic number, because the mean of its divisors is an integer number (2916405).

Almost surely, 2^38540910 is an apocalyptic number.

38540910 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38540910 is an abundant number, since it is smaller than the sum of its proper divisors (54784050).

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

38540910 is a wasteful number, since it uses less digits than its factorization.

38540910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11492.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 38540910 is about 6208.1325694608. The cubic root of 38540910 is about 337.7852293854.

The spelling of 38540910 in words is "thirty-eight million, five hundred forty thousand, nine hundred ten".