428926413 has 4 divisors (see below), whose sum is σ = 571901888. Its totient is φ = 285950940.

The previous prime is 428926397. The next prime is 428926427. The reversal of 428926413 is 314629824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 428926413 - 2⁴ = 428926397 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 (428926483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71487733 + ... + 71487738.

It is an arithmetic number, because the mean of its divisors is an integer number (142975472).

Almost surely, 2^428926413 is an apocalyptic number.

It is an amenable number.

428926413 is a deficient number, since it is larger than the sum of its proper divisors (142975475).

428926413 is a wasteful number, since it uses less digits than its factorization.

428926413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142975474.

The product of its digits is 82944, while the sum is 39.

The square root of 428926413 is about 20710.5386941045. The cubic root of 428926413 is about 754.1555478162.

It can be divided in two parts, 428 and 926413, that added together give a triangular number (926841 = T₁₃₆₁).

The spelling of 428926413 in words is "four hundred twenty-eight million, nine hundred twenty-six thousand, four hundred thirteen".