394244070 has 32 divisors (see below), whose sum is σ = 1032203520. Its totient is φ = 95574240.

The previous prime is 394244041. The next prime is 394244111. The reversal of 394244070 is 70442493.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 597010 + ... + 597669.

It is an arithmetic number, because the mean of its divisors is an integer number (32256360).

Almost surely, 2^394244070 is an apocalyptic number.

394244070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

394244070 is an abundant number, since it is smaller than the sum of its proper divisors (637959450).

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

394244070 is a wasteful number, since it uses less digits than its factorization.

394244070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194700.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 394244070 is about 19855.5803239291. The cubic root of 394244070 is about 733.2550396211.

The spelling of 394244070 in words is "three hundred ninety-four million, two hundred forty-four thousand, seventy".