38562840 has 48 divisors (see below), whose sum is σ = 125330400. Its totient is φ = 10283328.

The previous prime is 38562803. The next prime is 38562847. The reversal of 38562840 is 4826583.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 38562795 and 38562804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38562847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53200 + ... + 53919.

It is an arithmetic number, because the mean of its divisors is an integer number (2611050).

Almost surely, 2^38562840 is an apocalyptic number.

38562840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38562840 is an abundant number, since it is smaller than the sum of its proper divisors (86767560).

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

38562840 is a wasteful number, since it uses less digits than its factorization.

38562840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107136 (or 107129 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 38562840 is about 6209.8985498960. The cubic root of 38562840 is about 337.8492844854.

The spelling of 38562840 in words is "thirty-eight million, five hundred sixty-two thousand, eight hundred forty".