33980863 has 6 divisors (see below), whose sum is σ = 39528816. Its totient is φ = 29126412.

The previous prime is 33980861. The next prime is 33980927. The reversal of 33980863 is 36808933.

It is not a de Polignac number, because 33980863 - 2¹ = 33980861 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 (33980861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 346695 + ... + 346792.

It is an arithmetic number, because the mean of its divisors is an integer number (6588136).

Almost surely, 2^33980863 is an apocalyptic number.

33980863 is a deficient number, since it is larger than the sum of its proper divisors (5547953).

33980863 is an equidigital number, since it uses as much as digits as its factorization.

33980863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693501 (or 693494 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 33980863 is about 5829.3106796602. The cubic root of 33980863 is about 323.9003878863.

It can be divided in two parts, 33980 and 863, that added together give a palindrome (34843).

The spelling of 33980863 in words is "thirty-three million, nine hundred eighty thousand, eight hundred sixty-three".