1025674398 has 48 divisors (see below), whose sum is σ = 2547192960. Its totient is φ = 292192848.

The previous prime is 1025674387. The next prime is 1025674423. The reversal of 1025674398 is 8934765201.

1025674398 is a `hidden beast` number, since 1 + 0 + 256 + 7 + 4 + 398 = 666.

1025674398 is digitally balanced in base 2 and base 10, because in such bases it contains all the possibile digits an equal number of times.

1025674398 is strictly pandigital in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31993 + ... + 55451.

It is an arithmetic number, because the mean of its divisors is an integer number (53066520).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1025674398 = 2051348796, but 3⋅1025674398 = 3077023194 is not.

Almost surely, 2^1025674398 is an apocalyptic number.

1025674398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1025674398 is an abundant number, since it is smaller than the sum of its proper divisors (1521518562).

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

1025674398 is a wasteful number, since it uses less digits than its factorization.

1025674398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23821 (or 23818 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1025674398 is about 32026.1517825667. The cubic root of 1025674398 is about 1008.4859181669.

The spelling of 1025674398 in words is "one billion, twenty-five million, six hundred seventy-four thousand, three hundred ninety-eight".