465988390 has 16 divisors (see below), whose sum is σ = 958604832. Its totient is φ = 159767424.

The previous prime is 465988379. The next prime is 465988399. The reversal of 465988390 is 93889564.

It is a happy number.

It is a super-2 number, since 2×465988390² = 434290359229584200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465988399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3328419 + ... + 3328558.

It is an arithmetic number, because the mean of its divisors is an integer number (59912802).

Almost surely, 2^465988390 is an apocalyptic number.

465988390 is an abundant number, since it is smaller than the sum of its proper divisors (492616442).

465988390 is a wasteful number, since it uses less digits than its factorization.

465988390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656991.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 465988390 is about 21586.7642318158. The cubic root of 465988390 is about 775.2796160653.

The spelling of 465988390 in words is "four hundred sixty-five million, nine hundred eighty-eight thousand, three hundred ninety".