3446400765 has 32 divisors (see below), whose sum is σ = 5667361920. Its totient is φ = 1787417856.

The previous prime is 3446400751. The next prime is 3446400781. The reversal of 3446400765 is 5670046443.

It is a happy number.

It is not a de Polignac number, because 3446400765 - 2⁵ = 3446400733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136039 + ... + 159371.

It is an arithmetic number, because the mean of its divisors is an integer number (177105060).

Almost surely, 2^3446400765 is an apocalyptic number.

It is an amenable number.

3446400765 is a deficient number, since it is larger than the sum of its proper divisors (2220961155).

3446400765 is a wasteful number, since it uses less digits than its factorization.

3446400765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23613.

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 3446400765 is about 58706.0539041758. The cubic root of 3446400765 is about 1510.5041611396.

The spelling of 3446400765 in words is "three billion, four hundred forty-six million, four hundred thousand, seven hundred sixty-five".