396506145 has 16 divisors (see below), whose sum is σ = 725040000. Its totient is φ = 181259904.

The previous prime is 396506111. The next prime is 396506153. The reversal of 396506145 is 541605693.

It is not a de Polignac number, because 396506145 - 2⁶ = 396506081 is a prime.

It is a super-2 number, since 2×396506145² = 314434246045522050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1888020 + ... + 1888229.

It is an arithmetic number, because the mean of its divisors is an integer number (45315000).

Almost surely, 2^396506145 is an apocalyptic number.

396506145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

396506145 is a deficient number, since it is larger than the sum of its proper divisors (328533855).

396506145 is a wasteful number, since it uses less digits than its factorization.

396506145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776264.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 396506145 is about 19912.4620526945. The cubic root of 396506145 is about 734.6547779494.

The spelling of 396506145 in words is "three hundred ninety-six million, five hundred six thousand, one hundred forty-five".