399714000 has 320 divisors, whose sum is σ = 1525235712. Its totient is φ = 88128000.

The previous prime is 399713983. The next prime is 399714017. The reversal of 399714000 is 417993.

It is an interprime number because it is at equal distance from previous prime (399713983) and next prime (399714017).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1301847 + ... + 1302153.

Almost surely, 2^399714000 is an apocalyptic number.

399714000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399714000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762617856).

399714000 is an abundant number, since it is smaller than the sum of its proper divisors (1125521712).

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

399714000 is a wasteful number, since it uses less digits than its factorization.

399714000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 399714000 is about 19992.8487214804. The cubic root of 399714000 is about 736.6306523574.

The spelling of 399714000 in words is "three hundred ninety-nine million, seven hundred fourteen thousand".