406057371 has 4 divisors (see below), whose sum is σ = 541409832. Its totient is φ = 270704912.

The previous prime is 406057369. The next prime is 406057381. The reversal of 406057371 is 173750604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 406057371 - 2¹ = 406057369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406057381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67676226 + ... + 67676231.

It is an arithmetic number, because the mean of its divisors is an integer number (135352458).

Almost surely, 2^406057371 is an apocalyptic number.

406057371 is a deficient number, since it is larger than the sum of its proper divisors (135352461).

406057371 is a wasteful number, since it uses less digits than its factorization.

406057371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135352460.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 406057371 is about 20150.8652667820. The cubic root of 406057371 is about 740.5069395891.

The spelling of 406057371 in words is "four hundred six million, fifty-seven thousand, three hundred seventy-one".