428301386 has 16 divisors (see below), whose sum is σ = 655680480. Its totient is φ = 209777040.

The previous prime is 428301373. The next prime is 428301397. The reversal of 428301386 is 683103824.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15425 + ... + 33083.

It is an arithmetic number, because the mean of its divisors is an integer number (40980030).

Almost surely, 2^428301386 is an apocalyptic number.

428301386 is a deficient number, since it is larger than the sum of its proper divisors (227379094).

428301386 is a wasteful number, since it uses less digits than its factorization.

428301386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17909.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 428301386 is about 20695.4436048131. The cubic root of 428301386 is about 753.7890539313.

The spelling of 428301386 in words is "four hundred twenty-eight million, three hundred one thousand, three hundred eighty-six".