33997901 has 4 divisors (see below), whose sum is σ = 38854752. Its totient is φ = 29141052.

The previous prime is 33997883. The next prime is 33997921. The reversal of 33997901 is 10979933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33997901 - 2⁶ = 33997837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33997921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2428415 + ... + 2428428.

It is an arithmetic number, because the mean of its divisors is an integer number (9713688).

Almost surely, 2^33997901 is an apocalyptic number.

It is an amenable number.

33997901 is a deficient number, since it is larger than the sum of its proper divisors (4856851).

33997901 is an equidigital number, since it uses as much as digits as its factorization.

33997901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856850.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 33997901 is about 5830.7719043022. The cubic root of 33997901 is about 323.9545133776.

The spelling of 33997901 in words is "thirty-three million, nine hundred ninety-seven thousand, nine hundred one".