406979349 has 12 divisors (see below), whose sum is σ = 631233504. Its totient is φ = 232559544.

The previous prime is 406979347. The next prime is 406979357. The reversal of 406979349 is 943979604.

It is not a de Polignac number, because 406979349 - 2¹ = 406979347 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406979341) 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, 1384137 + ... + 1384430.

It is an arithmetic number, because the mean of its divisors is an integer number (52602792).

Almost surely, 2^406979349 is an apocalyptic number.

406979349 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

406979349 is a deficient number, since it is larger than the sum of its proper divisors (224254155).

406979349 is a wasteful number, since it uses less digits than its factorization.

406979349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768584 (or 2768577 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 406979349 is about 20173.7291793064. The cubic root of 406979349 is about 741.0669713146.

The spelling of 406979349 in words is "four hundred six million, nine hundred seventy-nine thousand, three hundred forty-nine".