406673397 has 48 divisors (see below), whose sum is σ = 677040000. Its totient is φ = 233124480.

The previous prime is 406673389. The next prime is 406673413. The reversal of 406673397 is 793376604.

It is not a de Polignac number, because 406673397 - 2³ = 406673389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406673347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134104 + ... + 137102.

It is an arithmetic number, because the mean of its divisors is an integer number (14105000).

Almost surely, 2^406673397 is an apocalyptic number.

It is an amenable number.

406673397 is a deficient number, since it is larger than the sum of its proper divisors (270366603).

406673397 is a wasteful number, since it uses less digits than its factorization.

406673397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The square root of 406673397 is about 20166.1448224493. The cubic root of 406673397 is about 740.8812225272.

The spelling of 406673397 in words is "four hundred six million, six hundred seventy-three thousand, three hundred ninety-seven".