469734390 has 80 divisors (see below), whose sum is σ = 1266899040. Its totient is φ = 124882560.

The previous prime is 469734383. The next prime is 469734407. The reversal of 469734390 is 93437964.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 354930 + ... + 356250.

It is an arithmetic number, because the mean of its divisors is an integer number (15836238).

Almost surely, 2^469734390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469734390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633449520).

469734390 is an abundant number, since it is smaller than the sum of its proper divisors (797164650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

469734390 is a wasteful number, since it uses less digits than its factorization.

469734390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 469734390 is about 21673.3566851099. The cubic root of 469734390 is about 777.3515202589.

The spelling of 469734390 in words is "four hundred sixty-nine million, seven hundred thirty-four thousand, three hundred ninety".