428014492 has 12 divisors (see below), whose sum is σ = 760205320. Its totient is φ = 210812976.

The previous prime is 428014471. The next prime is 428014493. The reversal of 428014492 is 294410824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428014493) 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, 798267 + ... + 798802.

Almost surely, 2^428014492 is an apocalyptic number.

It is an amenable number.

428014492 is a deficient number, since it is larger than the sum of its proper divisors (332190828).

428014492 is a wasteful number, since it uses less digits than its factorization.

428014492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597140 (or 1597138 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 428014492 is about 20688.5111112424. The cubic root of 428014492 is about 753.6207099660.

The spelling of 428014492 in words is "four hundred twenty-eight million, fourteen thousand, four hundred ninety-two".