3893402965 has 16 divisors (see below), whose sum is σ = 4811228928. Its totient is φ = 3022883136.

The previous prime is 3893402963. The next prime is 3893402977. The reversal of 3893402965 is 5692043983.

It is a cyclic number.

It is not a de Polignac number, because 3893402965 - 2¹ = 3893402963 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 (3893402963) 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, 23917 + ... + 91426.

It is an arithmetic number, because the mean of its divisors is an integer number (300701808).

Almost surely, 2^3893402965 is an apocalyptic number.

It is an amenable number.

3893402965 is a deficient number, since it is larger than the sum of its proper divisors (917825963).

3893402965 is a wasteful number, since it uses less digits than its factorization.

3893402965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115548.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The square root of 3893402965 is about 62397.1390770442. The cubic root of 3893402965 is about 1573.1728828235.

The spelling of 3893402965 in words is "three billion, eight hundred ninety-three million, four hundred two thousand, nine hundred sixty-five".