406298549 has 4 divisors (see below), whose sum is σ = 406405536. Its totient is φ = 406191564.

The previous prime is 406298539. The next prime is 406298579. The reversal of 406298549 is 945892604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406298549 - 2⁸ = 406298293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406298539) 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, 47579 + ... + 55464.

It is an arithmetic number, because the mean of its divisors is an integer number (101601384).

Almost surely, 2^406298549 is an apocalyptic number.

It is an amenable number.

406298549 is a deficient number, since it is larger than the sum of its proper divisors (106987).

406298549 is a wasteful number, since it uses less digits than its factorization.

406298549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106986.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 406298549 is about 20156.8486872328. The cubic root of 406298549 is about 740.6535187414.

The spelling of 406298549 in words is "four hundred six million, two hundred ninety-eight thousand, five hundred forty-nine".