428095690 has 16 divisors (see below), whose sum is σ = 840624480. Its totient is φ = 155671120.

The previous prime is 428095687. The next prime is 428095691. The reversal of 428095690 is 96590824.

It is a super-2 number, since 2×428095690² = 366531839593152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (428095691) 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, 1945780 + ... + 1945999.

It is an arithmetic number, because the mean of its divisors is an integer number (52539030).

Almost surely, 2^428095690 is an apocalyptic number.

428095690 is a deficient number, since it is larger than the sum of its proper divisors (412528790).

428095690 is a wasteful number, since it uses less digits than its factorization.

428095690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891797.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 428095690 is about 20690.4734116936. The cubic root of 428095690 is about 753.6683630451.

The spelling of 428095690 in words is "four hundred twenty-eight million, ninety-five thousand, six hundred ninety".