469391628 has 12 divisors (see below), whose sum is σ = 1095247160. Its totient is φ = 156463872.

The previous prime is 469391627. The next prime is 469391639. The reversal of 469391628 is 826193964.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (469391621) 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, 19557973 + ... + 19557996.

Almost surely, 2^469391628 is an apocalyptic number.

It is an amenable number.

469391628 is an abundant number, since it is smaller than the sum of its proper divisors (625855532).

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

469391628 is a wasteful number, since it uses less digits than its factorization.

469391628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39115976 (or 39115974 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 469391628 is about 21665.4477913566. The cubic root of 469391628 is about 777.1623982062.

The spelling of 469391628 in words is "four hundred sixty-nine million, three hundred ninety-one thousand, six hundred twenty-eight".