428291702 has 4 divisors (see below), whose sum is σ = 642437556. Its totient is φ = 214145850.

The previous prime is 428291651. The next prime is 428291713. The reversal of 428291702 is 207192824.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107072924 + ... + 107072927.

It is an arithmetic number, because the mean of its divisors is an integer number (160609389).

Almost surely, 2^428291702 is an apocalyptic number.

428291702 is a deficient number, since it is larger than the sum of its proper divisors (214145854).

428291702 is a wasteful number, since it uses less digits than its factorization.

428291702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214145853.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 428291702 is about 20695.2096389479. The cubic root of 428291702 is about 753.7833727696.

The spelling of 428291702 in words is "four hundred twenty-eight million, two hundred ninety-one thousand, seven hundred two".