33988461 has 16 divisors (see below), whose sum is σ = 48936384. Its totient is φ = 20859264.

The previous prime is 33988453. The next prime is 33988469. The reversal of 33988461 is 16488933.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33988453) and next prime (33988469).

It is not a de Polignac number, because 33988461 - 2³ = 33988453 is a prime.

It is a super-2 number, since 2×33988461² = 2310430962297042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33988469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16870 + ... + 18776.

It is an arithmetic number, because the mean of its divisors is an integer number (3058524).

Almost surely, 2^33988461 is an apocalyptic number.

It is an amenable number.

33988461 is a deficient number, since it is larger than the sum of its proper divisors (14947923).

33988461 is a wasteful number, since it uses less digits than its factorization.

33988461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380.

The product of its digits is 124416, while the sum is 42.

The square root of 33988461 is about 5829.9623497927. The cubic root of 33988461 is about 323.9245270784.

The spelling of 33988461 in words is "thirty-three million, nine hundred eighty-eight thousand, four hundred sixty-one".