33799797 has 12 divisors (see below), whose sum is σ = 49371660. Its totient is φ = 22279488.

The previous prime is 33799789. The next prime is 33799837. The reversal of 33799797 is 79799733.

It can be written as a sum of positive squares in 2 ways, for example, as 4704561 + 29095236 = 2169^2 + 5394^2 .

It is not a de Polignac number, because 33799797 - 2³ = 33799789 is a prime.

It is a super-2 number, since 2×33799797² = 2284852554482418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33799097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20298 + ... + 21899.

It is an arithmetic number, because the mean of its divisors is an integer number (4114305).

Almost surely, 2^33799797 is an apocalyptic number.

It is an amenable number.

33799797 is a deficient number, since it is larger than the sum of its proper divisors (15571863).

33799797 is a wasteful number, since it uses less digits than its factorization.

33799797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42292 (or 42289 counting only the distinct ones).

The product of its digits is 2250423, while the sum is 54.

The square root of 33799797 is about 5813.7592829425. The cubic root of 33799797 is about 323.3240652272.

It can be divided in two parts, 33799 and 797, that added together give a square (34596 = 186²).

The spelling of 33799797 in words is "thirty-three million, seven hundred ninety-nine thousand, seven hundred ninety-seven".