1387498 has 32 divisors (see below), whose sum is σ = 2580480. Its totient is φ = 546480.

The previous prime is 1387433. The next prime is 1387499. The reversal of 1387498 is 8947831.

It is a self number, because there is not a number n which added to its sum of digits gives 1387498.

It is not an unprimeable number, because it can be changed into a prime (1387499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9913 + ... + 10051.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^1387498 is an apocalyptic number.

1387498 is a deficient number, since it is larger than the sum of its proper divisors (1192982).

1387498 is a wasteful number, since it uses less digits than its factorization.

1387498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its digits is 48384, while the sum is 40.

The square root of 1387498 is about 1177.9210499859. The cubic root of 1387498 is about 111.5349016334.

The spelling of 1387498 in words is "one million, three hundred eighty-seven thousand, four hundred ninety-eight".