469304639 has 4 divisors (see below), whose sum is σ = 471319056. Its totient is φ = 467290224.

The previous prime is 469304603. The next prime is 469304657. The reversal of 469304639 is 936403964.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 469304639 - 2¹² = 469300543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 469304639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469304039) 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, 1006859 + ... + 1007324.

It is an arithmetic number, because the mean of its divisors is an integer number (117829764).

Almost surely, 2^469304639 is an apocalyptic number.

469304639 is a deficient number, since it is larger than the sum of its proper divisors (2014417).

469304639 is a wasteful number, since it uses less digits than its factorization.

469304639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014416.

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 469304639 is about 21663.4401469388. The cubic root of 469304639 is about 777.1143865868.

The spelling of 469304639 in words is "four hundred sixty-nine million, three hundred four thousand, six hundred thirty-nine".