424240394 has 16 divisors (see below), whose sum is σ = 664277760. Its totient is φ = 202968480.

The previous prime is 424240393. The next prime is 424240447. The reversal of 424240394 is 493042424.

It is a self number, because there is not a number n which added to its sum of digits gives 424240394.

It is not an unprimeable number, because it can be changed into a prime (424240393) 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, 32924 + ... + 43959.

It is an arithmetic number, because the mean of its divisors is an integer number (41517360).

Almost surely, 2^424240394 is an apocalyptic number.

424240394 is a deficient number, since it is larger than the sum of its proper divisors (240037366).

424240394 is a wasteful number, since it uses less digits than its factorization.

424240394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77005.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 424240394 is about 20597.0967371618. The cubic root of 424240394 is about 751.3991033531.

The spelling of 424240394 in words is "four hundred twenty-four million, two hundred forty thousand, three hundred ninety-four".