398762 has 24 divisors (see below), whose sum is σ = 751716. Its totient is φ = 157248.

The previous prime is 398759. The next prime is 398771. The reversal of 398762 is 267893.

It can be written as a sum of positive squares in 2 ways, for example, as 290521 + 108241 = 539^2 + 329^2 .

It is a super-2 number, since 2×398762² = 318022265288, which contains 22 as substring.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398762.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1118 + ... + 1430.

2³⁹⁸⁷⁶² is an apocalyptic number.

398762 is a deficient number, since it is larger than the sum of its proper divisors (352954).

398762 is a wasteful number, since it uses less digits than its factorization.

398762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 335 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 398762 is about 631.4760486353. The cubic root of 398762 is about 73.6045375668.

The spelling of 398762 in words is "three hundred ninety-eight thousand, seven hundred sixty-two".