428751061 has 8 divisors (see below), whose sum is σ = 440780544. Its totient is φ = 416842800.

The previous prime is 428751007. The next prime is 428751083. The reversal of 428751061 is 160157824.

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 428751061 - 2²⁵ = 395196629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428754061) 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, 23110 + ... + 37303.

It is an arithmetic number, because the mean of its divisors is an integer number (55097568).

Almost surely, 2^428751061 is an apocalyptic number.

It is an amenable number.

428751061 is a deficient number, since it is larger than the sum of its proper divisors (12029483).

428751061 is a wasteful number, since it uses less digits than its factorization.

428751061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60611.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 428751061 is about 20706.3048610804. The cubic root of 428751061 is about 754.0527635121.

The spelling of 428751061 in words is "four hundred twenty-eight million, seven hundred fifty-one thousand, sixty-one".