426190674 has 64 divisors (see below), whose sum is σ = 1051739136. Its totient is φ = 112117824.

The previous prime is 426190669. The next prime is 426190693. The reversal of 426190674 is 476091624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297949 + ... + 299375.

It is an arithmetic number, because the mean of its divisors is an integer number (16433424).

Almost surely, 2^426190674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426190674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525869568).

426190674 is an abundant number, since it is smaller than the sum of its proper divisors (625548462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426190674 is a wasteful number, since it uses less digits than its factorization.

426190674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 426190674 is about 20644.3860165421. The cubic root of 426190674 is about 752.5487650285.

The spelling of 426190674 in words is "four hundred twenty-six million, one hundred ninety thousand, six hundred seventy-four".