1425998 has 12 divisors (see below), whose sum is σ = 2488392. Its totient is φ = 611100.

The previous prime is 1425973. The next prime is 1426003. The reversal of 1425998 is 8995241.

It is a super-3 number, since 3×1425998³ = 8699173725483335976, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7178 + ... + 7373.

It is an arithmetic number, because the mean of its divisors is an integer number (207366).

2^1425998 is an apocalyptic number.

1425998 is a deficient number, since it is larger than the sum of its proper divisors (1062394).

1425998 is a wasteful number, since it uses less digits than its factorization.

1425998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14567 (or 14560 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 1425998 is about 1194.1515816679. The cubic root of 1425998 is about 112.5571199646.

The spelling of 1425998 in words is "one million, four hundred twenty-five thousand, nine hundred ninety-eight".