212692464 has 30 divisors (see below), whose sum is σ = 595243896. Its totient is φ = 70897440.

The previous prime is 212692451. The next prime is 212692471. The reversal of 212692464 is 464296212.

It is a super-3 number, since 3×212692464³ (a number of 26 digits) contains 333 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 738372 + ... + 738659.

Almost surely, 2^212692464 is an apocalyptic number.

212692464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212692464 is an abundant number, since it is smaller than the sum of its proper divisors (382551432).

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

212692464 is a wasteful number, since it uses less digits than its factorization.

212692464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477045 (or 1477036 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 212692464 is about 14583.9797037708. The cubic root of 212692464 is about 596.9217004623.

The spelling of 212692464 in words is "two hundred twelve million, six hundred ninety-two thousand, four hundred sixty-four".