426402813 has 8 divisors (see below), whose sum is σ = 571483648. Its totient is φ = 282795264.

The previous prime is 426402793. The next prime is 426402817. The reversal of 426402813 is 318204624.

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

It is not a de Polignac number, because 426402813 - 2¹³ = 426394621 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 (426402817) 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, 367645 + ... + 368802.

It is an arithmetic number, because the mean of its divisors is an integer number (71435456).

Almost surely, 2^426402813 is an apocalyptic number.

It is an amenable number.

426402813 is a deficient number, since it is larger than the sum of its proper divisors (145080835).

426402813 is a wasteful number, since it uses less digits than its factorization.

426402813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736643.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 426402813 is about 20649.5233116893. The cubic root of 426402813 is about 752.6736062255.

The spelling of 426402813 in words is "four hundred twenty-six million, four hundred two thousand, eight hundred thirteen".