396298140 has 48 divisors (see below), whose sum is σ = 1268155392. Its totient is φ = 90582336.

The previous prime is 396298121. The next prime is 396298159. The reversal of 396298140 is 41892693.

It is an interprime number because it is at equal distance from previous prime (396298121) and next prime (396298159).

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

It is a junction number, because it is equal to n+sod(n) for n = 396298092 and 396298101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471364 + ... + 472203.

It is an arithmetic number, because the mean of its divisors is an integer number (26419904).

Almost surely, 2^396298140 is an apocalyptic number.

396298140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

396298140 is an abundant number, since it is smaller than the sum of its proper divisors (871857252).

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

396298140 is a wasteful number, since it uses less digits than its factorization.

396298140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943586 (or 943584 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 396298140 is about 19907.2383820559. The cubic root of 396298140 is about 734.5262901582.

The spelling of 396298140 in words is "three hundred ninety-six million, two hundred ninety-eight thousand, one hundred forty".