945406 has 24 divisors (see below), whose sum is σ = 1801656. Its totient is φ = 367920.

The previous prime is 945397. The next prime is 945409. The reversal of 945406 is 604549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640 + ... + 1516.

It is an arithmetic number, because the mean of its divisors is an integer number (75069).

2⁹⁴⁵⁴⁰⁶ is an apocalyptic number.

945406 is a deficient number, since it is larger than the sum of its proper divisors (856250).

945406 is a wasteful number, since it uses less digits than its factorization.

945406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 945406 is about 972.3199062037. The cubic root of 945406 is about 98.1460407636.

The spelling of 945406 in words is "nine hundred forty-five thousand, four hundred six".