33401641 has 16 divisors (see below), whose sum is σ = 41286784. Its totient is φ = 26313984.

The previous prime is 33401623. The next prime is 33401647. The reversal of 33401641 is 14610433.

It is a cyclic number.

It is not a de Polignac number, because 33401641 - 2⁷ = 33401513 is a prime.

It is a super-2 number, since 2×33401641² = 2231339242985762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33401647) 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, 25105 + ... + 26401.

It is an arithmetic number, because the mean of its divisors is an integer number (2580424).

Almost surely, 2^33401641 is an apocalyptic number.

It is an amenable number.

33401641 is a deficient number, since it is larger than the sum of its proper divisors (7885143).

33401641 is a wasteful number, since it uses less digits than its factorization.

33401641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 33401641 is about 5779.4152818430. The cubic root of 33401641 is about 322.0494792990.

The spelling of 33401641 in words is "thirty-three million, four hundred one thousand, six hundred forty-one".