428081754 has 8 divisors (see below), whose sum is σ = 856163520. Its totient is φ = 142693916.

The previous prime is 428081741. The next prime is 428081767. The reversal of 428081754 is 457180824.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (428081741) and next prime (428081767).

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

428081754 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35673474 + ... + 35673485.

It is an arithmetic number, because the mean of its divisors is an integer number (107020440).

Almost surely, 2^428081754 is an apocalyptic number.

428081754 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428081754 is a wasteful number, since it uses less digits than its factorization.

428081754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71346964.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 428081754 is about 20690.1366356049. The cubic root of 428081754 is about 753.6601847829.

The spelling of 428081754 in words is "four hundred twenty-eight million, eighty-one thousand, seven hundred fifty-four".