679119390 has 192 divisors, whose sum is σ = 1981324800. Its totient is φ = 166852224.

The previous prime is 679119379. The next prime is 679119401. The reversal of 679119390 is 93911976.

It is an interprime number because it is at equal distance from previous prime (679119379) and next prime (679119401).

It is a super-2 number, since 2×679119390² = 922406291747944200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1620601 + ... + 1621019.

It is an arithmetic number, because the mean of its divisors is an integer number (10319400).

Almost surely, 2^679119390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679119390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990662400).

679119390 is an abundant number, since it is smaller than the sum of its proper divisors (1302205410).

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

679119390 is a wasteful number, since it uses less digits than its factorization.

679119390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 679119390 is about 26059.9192247405. The cubic root of 679119390 is about 878.9861731800.

The spelling of 679119390 in words is "six hundred seventy-nine million, one hundred nineteen thousand, three hundred ninety".