1409626398 has 8 divisors (see below), whose sum is σ = 2819252808. Its totient is φ = 469875464.

The previous prime is 1409626381. The next prime is 1409626399. The reversal of 1409626398 is 8936269041.

It is a sphenic number, since it is the product of 3 distinct primes.

1409626398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409626399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117468861 + ... + 117468872.

It is an arithmetic number, because the mean of its divisors is an integer number (352406601).

Almost surely, 2^1409626398 is an apocalyptic number.

1409626398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1409626398 is a wasteful number, since it uses less digits than its factorization.

1409626398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234937738.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 1409626398 is about 37544.9916500190. The cubic root of 1409626398 is about 1121.2471221849.

The spelling of 1409626398 in words is "one billion, four hundred nine million, six hundred twenty-six thousand, three hundred ninety-eight".