1394215416 has 224 divisors, whose sum is σ = 4337723520. Its totient is φ = 416404800.

The previous prime is 1394215411. The next prime is 1394215423. The reversal of 1394215416 is 6145124931.

It is a happy number.

1394215416 is a `hidden beast` number, since 1 + 3 + 94 + 21 + 541 + 6 = 666.

It is a super-3 number, since 3×1394215416³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394215411) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 6607551 + ... + 6607761.

Almost surely, 2^1394215416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394215416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2168861760).

1394215416 is an abundant number, since it is smaller than the sum of its proper divisors (2943508104).

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

1394215416 is a wasteful number, since it uses less digits than its factorization.

1394215416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 330 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1394215416 is about 37339.1940994982. The cubic root of 1394215416 is about 1117.1460651127.

The spelling of 1394215416 in words is "one billion, three hundred ninety-four million, two hundred fifteen thousand, four hundred sixteen".