428926412 has 6 divisors (see below), whose sum is σ = 750621228. Its totient is φ = 214463204.

The previous prime is 428926397. The next prime is 428926427. The reversal of 428926412 is 214629824.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (428926397) and next prime (428926427).

It is a super-2 number, since 2×428926412² = 367955733822387488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53615798 + ... + 53615805.

It is an arithmetic number, because the mean of its divisors is an integer number (125103538).

Almost surely, 2^428926412 is an apocalyptic number.

It is an amenable number.

428926412 is a deficient number, since it is larger than the sum of its proper divisors (321694816).

428926412 is a wasteful number, since it uses less digits than its factorization.

428926412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107231607 (or 107231605 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 428926412 is about 20710.5386699622. The cubic root of 428926412 is about 754.1555472301.

The spelling of 428926412 in words is "four hundred twenty-eight million, nine hundred twenty-six thousand, four hundred twelve".