3400942398 has 32 divisors (see below), whose sum is σ = 7834804224. Its totient is φ = 964045152.

The previous prime is 3400942339. The next prime is 3400942409. The reversal of 3400942398 is 8932490043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313465 + ... + 324132.

It is an arithmetic number, because the mean of its divisors is an integer number (244837632).

Almost surely, 2^3400942398 is an apocalyptic number.

3400942398 is an abundant number, since it is smaller than the sum of its proper divisors (4433861826).

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

3400942398 is a wasteful number, since it uses less digits than its factorization.

3400942398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637736.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 3400942398 is about 58317.5993847483. The cubic root of 3400942398 is about 1503.8335126632.

The spelling of 3400942398 in words is "three billion, four hundred million, nine hundred forty-two thousand, three hundred ninety-eight".