38353620 has 48 divisors (see below), whose sum is σ = 107735040. Its totient is φ = 10194816.

The previous prime is 38353613. The next prime is 38353621. The reversal of 38353620 is 2635383.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38353621) 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, 22146 + ... + 23814.

It is an arithmetic number, because the mean of its divisors is an integer number (2244480).

Almost surely, 2^38353620 is an apocalyptic number.

38353620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38353620 is an abundant number, since it is smaller than the sum of its proper divisors (69381420).

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

38353620 is a wasteful number, since it uses less digits than its factorization.

38353620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2062 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 38353620 is about 6193.0299531005. The cubic root of 38353620 is about 337.2371835970.

The spelling of 38353620 in words is "thirty-eight million, three hundred fifty-three thousand, six hundred twenty".