33860397 has 12 divisors (see below), whose sum is σ = 45812480. Its totient is φ = 22245720.

The previous prime is 33860389. The next prime is 33860423. The reversal of 33860397 is 79306833.

It is not a de Polignac number, because 33860397 - 2³ = 33860389 is a prime.

It is a super-2 number, since 2×33860397² = 2293052969995218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33860327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14004 + ... + 16242.

Almost surely, 2^33860397 is an apocalyptic number.

It is an amenable number.

33860397 is a deficient number, since it is larger than the sum of its proper divisors (11952083).

33860397 is an equidigital number, since it uses as much as digits as its factorization.

33860397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 33860397 is about 5818.9687230643. The cubic root of 33860397 is about 323.5171801961.

The spelling of 33860397 in words is "thirty-three million, eight hundred sixty thousand, three hundred ninety-seven".