428292469 has 8 divisors (see below), whose sum is σ = 467430912. Its totient is φ = 389187840.

The previous prime is 428292413. The next prime is 428292493. The reversal of 428292469 is 964292824.

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

It is a cyclic number.

It is not a de Polignac number, because 428292469 - 2¹³ = 428284277 is a prime.

It is a super-2 number, since 2×428292469² = 366868878004231922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422292469) 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, 23212 + ... + 37354.

It is an arithmetic number, because the mean of its divisors is an integer number (58428864).

Almost surely, 2^428292469 is an apocalyptic number.

It is an amenable number.

428292469 is a deficient number, since it is larger than the sum of its proper divisors (39138443).

428292469 is a wasteful number, since it uses less digits than its factorization.

428292469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16907.

The product of its digits is 497664, while the sum is 46.

The square root of 428292469 is about 20695.2281697980. The cubic root of 428292469 is about 753.7838227367.

The spelling of 428292469 in words is "four hundred twenty-eight million, two hundred ninety-two thousand, four hundred sixty-nine".