403260247 has 8 divisors (see below), whose sum is σ = 459826416. Its totient is φ = 350343552.

The previous prime is 403260241. The next prime is 403260251. The reversal of 403260247 is 742062304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 403260247 - 2⁷ = 403260119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403260241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912133 + ... + 912574.

It is an arithmetic number, because the mean of its divisors is an integer number (57478302).

Almost surely, 2^403260247 is an apocalyptic number.

403260247 is a deficient number, since it is larger than the sum of its proper divisors (56566169).

403260247 is a wasteful number, since it uses less digits than its factorization.

403260247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824737.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 403260247 is about 20081.3407669906. The cubic root of 403260247 is about 738.8026943363.

The spelling of 403260247 in words is "four hundred three million, two hundred sixty thousand, two hundred forty-seven".