245926590 has 192 divisors, whose sum is σ = 783929664. Its totient is φ = 48771072.

The previous prime is 245926567. The next prime is 245926591. The reversal of 245926590 is 95629542.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245926591) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 324492 + ... + 325248.

It is an arithmetic number, because the mean of its divisors is an integer number (4082967).

Almost surely, 2^245926590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245926590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391964832).

245926590 is an abundant number, since it is smaller than the sum of its proper divisors (538003074).

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

245926590 is a wasteful number, since it uses less digits than its factorization.

245926590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 245926590 is about 15682.0467414174. The cubic root of 245926590 is about 626.5203222604.

The spelling of 245926590 in words is "two hundred forty-five million, nine hundred twenty-six thousand, five hundred ninety".