38420433 has 8 divisors (see below), whose sum is σ = 56919200. Its totient is φ = 25613604.

The previous prime is 38420407. The next prime is 38420441. The reversal of 38420433 is 33402483.

It is not a de Polignac number, because 38420433 - 2⁵ = 38420401 is a prime.

It is a super-2 number, since 2×38420433² = 2952259343814978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1422979 = 38420433 / (3 + 8 + 4 + 2 + 0 + 4 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38420397 and 38420406.

It is not an unprimeable number, because it can be changed into a prime (38420453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711463 + ... + 711516.

It is an arithmetic number, because the mean of its divisors is an integer number (7114900).

Almost surely, 2^38420433 is an apocalyptic number.

It is an amenable number.

38420433 is a deficient number, since it is larger than the sum of its proper divisors (18498767).

38420433 is a wasteful number, since it uses less digits than its factorization.

38420433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422988 (or 1422982 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 38420433 is about 6198.4218152688. The cubic root of 38420433 is about 337.4328953005.

The spelling of 38420433 in words is "thirty-eight million, four hundred twenty thousand, four hundred thirty-three".