106215402 has 16 divisors (see below), whose sum is σ = 212766912. Its totient is φ = 35349120.

The previous prime is 106215401. The next prime is 106215407. The reversal of 106215402 is 204512601.

It is a super-2 number, since 2×106215402² = 22563423244043208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106215401) 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, 9799 + ... + 17562.

It is an arithmetic number, because the mean of its divisors is an integer number (13297932).

Almost surely, 2^106215402 is an apocalyptic number.

106215402 is an abundant number, since it is smaller than the sum of its proper divisors (106551510).

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

106215402 is a wasteful number, since it uses less digits than its factorization.

106215402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28013.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 106215402 is about 10306.0856778895. The cubic root of 106215402 is about 473.5827034644.

The spelling of 106215402 in words is "one hundred six million, two hundred fifteen thousand, four hundred two".