38453400 has 96 divisors (see below), whose sum is σ = 132469200. Its totient is φ = 10252800.

The previous prime is 38453399. The next prime is 38453413. The reversal of 38453400 is 435483.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1840 + ... + 8960.

Almost surely, 2^38453400 is an apocalyptic number.

38453400 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 38453400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66234600).

38453400 is an abundant number, since it is smaller than the sum of its proper divisors (94015800).

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

38453400 is a wasteful number, since it uses less digits than its factorization.

38453400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7146 (or 7131 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 38453400 is about 6201.0805510008. The cubic root of 38453400 is about 337.5293801584.

Adding to 38453400 its reverse (435483), we get a palindrome (38888883).

The spelling of 38453400 in words is "thirty-eight million, four hundred fifty-three thousand, four hundred".