38453836 has 6 divisors (see below), whose sum is σ = 67294220. Its totient is φ = 19226916.

The previous prime is 38453827. The next prime is 38453837. The reversal of 38453836 is 63835483.

It is a super-2 number, since 2×38453836² = 2957395006229792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38453837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4806726 + ... + 4806733.

Almost surely, 2^38453836 is an apocalyptic number.

It is an amenable number.

38453836 is a deficient number, since it is larger than the sum of its proper divisors (28840384).

38453836 is a wasteful number, since it uses less digits than its factorization.

38453836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9613463 (or 9613461 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 38453836 is about 6201.1157060645. The cubic root of 38453836 is about 337.5306558345.

The spelling of 38453836 in words is "thirty-eight million, four hundred fifty-three thousand, eight hundred thirty-six".