146987398 has 24 divisors (see below), whose sum is σ = 227939832. Its totient is φ = 71069184.

The previous prime is 146987383. The next prime is 146987441. The reversal of 146987398 is 893789641.

It is a congruent number.

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, 1373661 + ... + 1373767.

It is an arithmetic number, because the mean of its divisors is an integer number (9497493).

Almost surely, 2^146987398 is an apocalyptic number.

146987398 is a deficient number, since it is larger than the sum of its proper divisors (80952434).

146987398 is an equidigital number, since it uses as much as digits as its factorization.

146987398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 279 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 146987398 is about 12123.8359441226. The cubic root of 146987398 is about 527.7481270171.

The spelling of 146987398 in words is "one hundred forty-six million, nine hundred eighty-seven thousand, three hundred ninety-eight".