1408243398 has 32 divisors (see below), whose sum is σ = 2849922816. Its totient is φ = 463861728.

The previous prime is 1408243373. The next prime is 1408243423. The reversal of 1408243398 is 8933428041.

It is an interprime number because it is at equal distance from previous prime (1408243373) and next prime (1408243423).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321036 + ... + 325392.

It is an arithmetic number, because the mean of its divisors is an integer number (89060088).

Almost surely, 2^1408243398 is an apocalyptic number.

1408243398 is an abundant number, since it is smaller than the sum of its proper divisors (1441679418).

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

1408243398 is a wasteful number, since it uses less digits than its factorization.

1408243398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 1408243398 is about 37526.5692276819. The cubic root of 1408243398 is about 1120.8803128941.

The spelling of 1408243398 in words is "one billion, four hundred eight million, two hundred forty-three thousand, three hundred ninety-eight".