400693414 has 16 divisors (see below), whose sum is σ = 676832256. Its totient is φ = 176257800.

The previous prime is 400693411. The next prime is 400693421. The reversal of 400693414 is 414396004.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400693411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293082 + ... + 294445.

It is an arithmetic number, because the mean of its divisors is an integer number (42302016).

Almost surely, 2^400693414 is an apocalyptic number.

400693414 is a deficient number, since it is larger than the sum of its proper divisors (276138842).

400693414 is a wasteful number, since it uses less digits than its factorization.

400693414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587571.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 400693414 is about 20017.3278436459. The cubic root of 400693414 is about 737.2318137778.

The spelling of 400693414 in words is "four hundred million, six hundred ninety-three thousand, four hundred fourteen".