398152662 has 16 divisors (see below), whose sum is σ = 796588032. Its totient is φ = 132670440.

The previous prime is 398152649. The next prime is 398152691. The reversal of 398152662 is 266251893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9483 + ... + 29769.

It is an arithmetic number, because the mean of its divisors is an integer number (49786752).

Almost surely, 2^398152662 is an apocalyptic number.

398152662 is an abundant number, since it is smaller than the sum of its proper divisors (398435370).

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

398152662 is a wasteful number, since it uses less digits than its factorization.

398152662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23563.

The product of its digits is 155520, while the sum is 42.

The square root of 398152662 is about 19953.7631037356. The cubic root of 398152662 is about 735.6702738458.

The spelling of 398152662 in words is "three hundred ninety-eight million, one hundred fifty-two thousand, six hundred sixty-two".